Dynasty Warriors 4 Hyper Save File: Does it Really Work?

Dynasty Warriors 4 is a popular action-adventure game developed by Omega Force and published by Koei. The game is part of the Dynasty Warriors series, which is known for its fast-paced gameplay, rich historical context, and engaging characters. One of the most sought-after features in the game is the ability to save progress and unlock various characters, stages, and game modes. In this article, we'll explore the concept of a Dynasty Warriors 4 Hyper Save File and whether it really works.

What is a Dynasty Warriors 4 Hyper Save File?

A Dynasty Warriors 4 Hyper Save File is a saved game data file that contains progress, characters, and other unlocked content. The file is usually created by the game's save system or by using third-party software. The idea behind a Hyper Save File is to allow players to access advanced characters, stages, and game modes without having to play through the entire game.

How Does a Dynasty Warriors 4 Hyper Save File Work?

To understand how a Dynasty Warriors 4 Hyper Save File works, let's dive into the game's save system. The game uses a proprietary save format that stores data in a specific directory on the player's console or PC. The save file contains information such as:

• Progress through the game's story mode
• Unlocked characters and stages
• Character stats and abilities
• Game settings and options

A Hyper Save File typically contains a modified version of this data, which allows players to access advanced content. For example, a Hyper Save File might unlock all characters, stages, and game modes, giving players instant access to the game's full content.

Benefits of Using a Dynasty Warriors 4 Hyper Save File

There are several benefits to using a Dynasty Warriors 4 Hyper Save File:

• Time-saving: By unlocking advanced characters and stages, players can skip repetitive gameplay and focus on more challenging and exciting content.
• Access to exclusive content: A Hyper Save File can grant players access to exclusive characters, stages, and game modes that might not be available through regular gameplay.
• Experimentation and exploration: With a Hyper Save File, players can experiment with different characters and gameplay styles without having to worry about grinding for progress.

Risks and Drawbacks of Using a Dynasty Warriors 4 Hyper Save File

While a Dynasty Warriors 4 Hyper Save File can be tempting, there are risks and drawbacks to consider:

• Game stability: Modifying game data can potentially cause instability or crashes, especially if the file is corrupted or incompatible with the game version.
• Loss of progress: If the Hyper Save File is not properly backed up, players might lose their progress or have to start over from scratch.
• Impact on gameplay experience: Using a Hyper Save File can diminish the sense of accomplishment and satisfaction that comes from progressing through the game naturally.

How to Create and Use a Dynasty Warriors 4 Hyper Save File

Creating and using a Dynasty Warriors 4 Hyper Save File requires some technical knowledge and expertise. Here are the general steps:

1. Backup existing save data: Before modifying the save file, make sure to backup the existing data to prevent loss of progress.
2. Use third-party software: Utilize software specifically designed for editing game save files, such as save editors or hex editors.
3. Modify the save file: Edit the save file to unlock desired characters, stages, and game modes.
4. Save and load the file: Save the modified file and load it into the game.

Conclusion

A Dynasty Warriors 4 Hyper Save File can be a useful tool for players looking to access advanced content and experiment with different gameplay styles. However, it's essential to weigh the benefits and risks, as well as consider the potential impact on the gameplay experience. By understanding how a Hyper Save File works and taking necessary precautions, players can enjoy the game to its fullest potential.

Frequently Asked Questions

• Q: Is it safe to use a Dynasty Warriors 4 Hyper Save File? A: While using a Hyper Save File can be safe, there is a risk of game instability or loss of progress if not done properly.
• Q: Can I create my own Dynasty Warriors 4 Hyper Save File? A: Yes, players can create their own Hyper Save File using third-party software and technical knowledge.
• Q: Will using a Dynasty Warriors 4 Hyper Save File affect my game achievements? A: Using a Hyper Save File might affect game achievements, as it can unlock content that would normally require progression through the game.

Additional Tips and Resources

• Always backup existing save data before modifying the save file.
• Use reputable software and sources when creating or downloading a Hyper Save File.
• Be cautious when editing game save files, as incorrect modifications can cause game instability or loss of progress.

By following these guidelines and understanding the concept of a Dynasty Warriors 4 Hyper Save File, players can make informed decisions about using this feature and enjoy the game to its fullest potential.

Title: Analysis of Save Data Architecture and Persistence Mechanisms in Dynasty Warriors 4 Hyper

Abstract

Dynasty Warriors 4 Hyper (DW4H), the Windows-based port of the PlayStation 2 title Dynasty Warriors 4, utilizes a file persistence system that differs significantly from its console counterpart. While the core gameplay logic remains largely consistent with the original release, the underlying architecture for saving game progress relies on the Windows file system hierarchy rather than proprietary memory card formats. This paper examines the directory structure, file naming conventions, and common failure points regarding save file recognition, providing a technical guide for data preservation and transfer.

1. Introduction

The term "Hyper" in Koei Tecmo’s historical porting strategy refers to enhanced Windows ports of their PlayStation 2 library. These ports were designed to run on early 2000s Windows architectures (primarily Windows 98, 2000, and XP). Understanding how Dynasty Warriors 4 Hyper handles save files is critical for modern users attempting to run the software on contemporary operating systems (Windows 10/11), as file permission hierarchies and directory structures have evolved, often leading to data read/write failures.

2. File System Hierarchy

Unlike modern applications that utilize the AppData folder or cloud syncing, Dynasty Warriors 4 Hyper adheres to the legacy "My Documents" convention common in early 2000s PC gaming.

2.1 Default Directory Path The game engine creates a specific subdirectory within the user’s Documents folder to house save data. The standard path is typically resolved as:

C:\Users\[Username]\Documents\KOEI\Shin Sangokumusou 3\Save

Note: The folder name "Shin Sangokumusou 3" reflects the original Japanese title of the Dynasty Warriors 4 base game. In some localized versions, the root folder may appear as Dynasty Warriors 4 or simply KOEI\Dynasty Warriors 4 Hyper.

2.2 Directory Generation If the game is launched and the target directory does not exist, the application attempts to generate the folder tree. On modern Windows systems with User Account Control (UAC), if the game is installed in a protected directory (e.g., Program Files), the game may lack the permissions to write to Documents, resulting in a "Save Failed" error or the inability to recognize existing saves.

3. File Structure and Naming Conventions

The save data is not stored as a monolithic archive but rather as a collection of individual files corresponding to different game modes and settings.

3.1 System Data

• Filename: SYSTEM.DAT (or similar variation depending on region).
• Function: Stores global settings including screen resolution, audio levels, controller mappings, and difficulty settings.
• Dependency: Without a valid system file, the game may reset to default configurations upon every launch.

3.2 Scenario/Campaign Data

• Filename: SAVE00.DAT through SAVEXX.DAT.
• Function: These files store "Musou Mode" progress. They contain character unlocks, stage completion flags, and narrative progression.
• Structure: The files utilize a binary serialization format. While the exact bit-flags for "Character Unlocked" are obfuscated, the file headers generally identify the slot number.

3.3 Create-A-Warrior (CAW) Data

• Filename: EDIT.DAT.
• Function: Stores custom character models and parameters. Due to the graphical differences between the PS2 and PC versions, this file is not cross-compatible with the console version's "Action Replay" or "Max Drive" save files without conversion tools.

4. Technical Issues on Modern Systems

The most prevalent issue regarding "save file work" on modern hardware stems from write permissions and folder redirection.

4.1 Permission Denial (Legacy Hardware Abstraction) Because DW4H is a legacy application, Windows 10/11 may interpret the game's attempt to write to the Documents folder as a potential security risk, or the folder may be flagged as read-only by the system.

• Resolution: Users must run the executable in "Compatibility Mode" (Windows XP Service Pack 3) and grant "Run as Administrator" privileges. This allows the engine to bypass UAC virtualization and write directly to the physical disk.

4.2 User Profile Migration If a user reinstalls their OS or changes their Windows username, the absolute path hardcoded or stored in the registry for the save location may break.

• Workaround: Manually creating the directory structure KOEI\Shin Sangokumusou 3\Save often resolves detection issues, forcing the game to recognize the directory rather than failing to create it.

5. Save File Manipulation and Editing

Community tools have been developed to manipulate these .DAT files.

5.1 Hex Editing Advanced users utilize hex editors to modify specific offsets within the save files. For example, editing the bytes corresponding to "Gold" or "Weapon Experience" is possible by locating the specific 4-byte integer values, provided the file is not encrypted or checksum-protected. However, DW4H saves often utilize a basic checksum; modifying the file blindly will result in the game rejecting the save as "Corrupt Data."

5.2 Save Conversion PS2 save files (.psu or .max formats) cannot be directly used by the PC Hyper version. The PC version lacks the PlayStation 2 file system headers. While theoretically possible, conversion requires stripping the PS2 header data and adjusting the byte alignment to match the PC port's expected file size, a task rarely supported by mainstream save editors.

6. Conclusion

The save file architecture of Dynasty Warriors 4 Hyper is a textbook example of early 2000s PC porting standards. It relies on a static directory path within the user's Documents folder and utilizes unencrypted or lightly obfuscated binary files. For users seeking to preserve their progress, the critical "work" involves ensuring the application has the necessary Administrative privileges to write to the Documents folder and maintaining the strict folder hierarchy required by the game engine. Understanding this structure ensures data persistence across hardware migrations and OS updates.

References

1. Koei Tecmo. (2003). Dynasty Warriors 4 Hyper Technical Manual.
2. Microsoft Developer Network. (Legacy) File System Redirector and UAC Virtualization.
3. Community Archives. DW4H Hex Edit Offsets.

How to Actually Make Your Dynasty Warriors 4 Hyper Save Files Work If you’ve recently reinstalled Dynasty Warriors 4 Hyper

for that sweet nostalgia hit, you’ve probably run into the "Save Data Not Found" or "Save Failed" wall. Whether you’re trying to use a 100% completion file from

or just trying to keep your own progress, getting this 2005 port to behave on modern Windows takes a bit of work.

Here is the definitive guide to managing your DW4 Hyper saves. 1. Find the Correct Save Directory

The biggest hurdle is often just finding where the game looks for data. Unlike modern Steam games, DW4 Hyper hides its saves in your user Documents.

C:\Users\[Your Username]\Documents\KOEI\Dynasty Warriors 4 Hyper\Savedata

If the folder isn't there, the game hasn't initialized it yet. Boot the game, change one setting in the Options menu, and save it. This forces the game to create the directory structure for you. 2. Importing a 100% Save File

If you downloaded a save to unlock all characters and Level 10 weapons, follow these steps: Download the (usually named SLOT000x.dat Backup your old data by moving your existing folder to your desktop. Paste the new files into the directory path mentioned above. Restart the game.

If the characters are still locked, ensure the folder name exactly matches the "Localized" version of your game (e.g., if you have the Russian version, the folder name might be different). 3. Troubleshooting "Save Failed" Errors

Still getting errors? Modern Windows security features often block older games from writing to the Documents folder. Run as Administrator: Right-click your Dynasty Warriors 4 Hyper.exe and select "Run as Administrator". Check OneDrive Interference:

OneDrive often "syncs" your Documents folder, which can lock the save files while the game is trying to write to them. Try disabling OneDrive or excluding the folder from syncing. Compatibility Mode: Set the executable to run in compatibility mode for Windows XP (Service Pack 3) 4. Essential Modern Fixes

If you want the game to look as good as it plays, don't forget these two essentials: dgVoodoo 2:

This tool is almost mandatory for modern GPUs to handle the game's "Hyper Shadows" without crashing. Save in Options:

Some users report that saving in Musou Mode alone can be buggy. After a long session, go to the menu and manually save there to ensure the global file updates.

Troubleshooting Dynasty Warriors 4 Hyper Save Files Getting save files to work in Dynasty Warriors 4 Hyper

on modern PC systems can be tricky due to the game's age and how it interacts with newer versions of Windows. Whether you are trying to use a downloaded 100% save data file or your own progress isn't saving correctly, 1. Locate the Correct Save Directory

The most common reason a save file "doesn't work" is that it’s placed in the wrong folder. For the PC version (Hyper), the game uses a specific directory in your system's Documents folder:

Default Path: C:\Users\[Your Windows Username]\Documents\KOEI\Dynasty Warriors 4 Hyper\Savedata\

Alternative Path (Localized versions): %USERPROFILE%\Documents\KOEI\\Savedata\

The save files themselves typically end with a .dat extension. 2. Fixing "Save Not Found" or Failed Saves

If you have placed a save file in the folder but the game doesn't recognize it, or if your game simply won't save your progress, try the following fixes:

Disable OneDrive Interference: Users have reported that Windows OneDrive can sometimes "hijack" the Documents folder, preventing the game from writing new files or reading existing ones in the local KOEI directory. Try disabling OneDrive sync for that specific folder.

Run as Administrator: Right-click the game executable and select Run as Administrator. This ensures the game has the necessary permissions to create and modify files in your Documents folder.

Check File Permissions: Ensure the Savedata folder and the files inside are not marked as "Read-only."

Create a Dummy Save: If you are using a downloaded 100% save, try starting a new game first and saving normally. This forces the game to generate the correct folder structure, which you can then overwrite with your downloaded files. 3. Using 100% Save Data Correcty

When downloading a "complete" save file from sites like GameFAQs, ensure you are copying the entire contents into the Savedata folder. A typical complete save includes: All characters at max rank. Level 10 weapons. All unlocked movies, items, and bodyguards. 4. Compatibility and Launcher Issues

If the game refuses to launch or crashes when attempting to access the save menu on Windows 10/11:

Compatibility Mode: Set the .exe to run in compatibility mode for Windows XP (Service Pack 3) or Windows 7.

No-CD Fixed Executables: Some players find that the retail DRM on original discs prevents saving on modern OS versions; replacing the main file with a "no-CD" fixed executable often restores full save functionality.

Are you trying to transfer a save from a different version of the game, such as from the PS2 or Xbox versions? Dynasty Warriors 4 Hyper - 100% Save Data - GameFAQs

Understanding the save file mechanics for Dynasty Warriors 4 Hyper

(the PC version of the classic title) is essential for backing up progress, transferring data between systems, or utilizing 100% completion files from the community. 1. Save File Location

By default, the game stores its configuration and save data in the user's document directory rather than the installation folder. Primary Path:

C:\Users\[Username]\Documents\KOEI\Dynasty Warriors 4 Hyper\Savedata Alternative Path (Localized):

%USERPROFILE%\Documents\KOEI\\Savedata\*.dat 2. File Structure and Types The save system uses specific files to store various types of progress:

This is the main system file containing global unlocks, including characters, items, weapons, and movies. SLOT00xx.dat:

These files represent individual campaign saves (Musou Mode). The game supports up to 100 individual Musou Mode slots Middle-of-Stage Saves:

The game allows one "temporary" save in the middle of a stage (accessed via the [ESC] menu). Saving in this way overwrites previous mid-stage data. 3. Transferring and Using External Saves

To use a downloaded 100% save file (commonly found on platforms like ), follow these steps: Always copy your existing folder to a safe location before making changes. Replacement: Move the downloaded files into the directory mentioned in Section 1. Consistency Check:

Some users suggest booting the game and creating a fresh save file first to ensure the directory structure is initialized correctly before overwriting with an external file. 4. Technical Workarounds and Compatibility Windows 10/11 Issues:

The PC version often struggles with modern operating systems. Using compatibility modes for Windows XP can sometimes resolve "save failed" errors. Modern Hardware Fixes: Tools like dgVoodoo 2

are frequently used to help the game's dynamic shadows and resolution settings function on modern GPUs. Save Failure Errors:

If the game reports a "save failed" error upon launch, it is often due to missing directory permissions or the game looking for a path that doesn't exist. Creating the KOEI\Dynasty Warriors 4 Hyper\Savedata folder manually in your Documents can sometimes fix this. 5. Content of a 100% Save File A complete save for typically includes: All characters at and level 10 weapons. All items at and orbs at All 100% unlocked movies, endings, and bodyguard levels. Cheat Engine to modify specific character stats within these save files? Dynasty Warriors 4 Hyper - 100% Save Data - GameFAQs

6. Verdict for Users

A Dynasty Warriors 4: Hyper save file from one PC will work on another PC without modification, as long as the game version matches and the file is placed in the correct \Savedata\ folder. On Windows 10/11, run the game as admin or use the VirtualStore path.

For guaranteed functionality:

1. Use original v1.00 executable.
2. Place savedata.dat in game folder's Savedata subdirectory.
3. If issues persist, run the game once to generate a blank save, then overwrite with your file.

Dynasty Warriors 4 Hyper remains a classic for PC gamers seeking the definitive hack-and-slash experience. However, getting a save file to work—whether you are moving it to a new computer or downloading a 100% completion file—can be notoriously tricky due to the game’s age and specific folder structures.

If you are struggling to make your Dynasty Warriors 4 Hyper save file work, this guide covers everything from directory locations to common corruption fixes. Locating the Correct Save Directory

The most common reason save files "don't work" is that they are placed in the wrong folder. Unlike modern games that use the "Saved Games" folder or Steam Cloud, DW4 Hyper stores data in two potential locations depending on your Windows version and installation settings.

Primary Location: C:\Users\[YourUsername]\Documents\Koei\Dynasty Warriors 4 Hyper\Savedata

Legacy/Compatibility Location: If you are using an older disc version or running in compatibility mode, check C:\Program Files (x86)\Koei\Dynasty Warriors 4 Hyper\Savedata. The save file itself is typically named savedata.dat. How to Install a Downloaded 100% Save File

If you have downloaded a save file to unlock all characters, items, and levels, follow these steps to ensure the game recognizes it:

Backup your old data: Always copy your existing savedata.dat to a safe place first.

Launch the game once: If it’s a fresh install, start the game and create a "New Game" save. This creates the necessary folder structure.

Overwrite the file: Paste the downloaded savedata.dat into the Documents\Koei\... folder mentioned above.

Check Read-Only settings: Right-click the file, select Properties, and ensure "Read-only" is unchecked. If the game can't write to the file, it may fail to load. Fixing "Load Failed" or Corrupt Save Errors

If the game sees the save file but says "Load Failed," there is often a mismatch between the game version and the save file origin.

Regional Mismatches: Save files from the Japanese version (Shin Sangokumusou 3 Hyper) are generally incompatible with the English "Hyper" version without hex editing.

The "Run as Administrator" Fix: DW4 Hyper often lacks permission to access the Documents folder on Windows 10 or 11. Right-click your game executable (DW4PC.exe), go to Properties > Compatibility, and check Run this program as an administrator.

Resolution and Config Links: Sometimes the helper.dat or config.dat files (which store your graphics settings) get corrupted. If the game crashes while loading a save, try deleting everything in the folder except savedata.dat. The game will regenerate the settings files on the next launch. Moving Saves to a New PC

When moving to a new build, don't just move the savedata.dat. For the best results, move the entire Koei folder from your Documents. This ensures your controller mappings and sound settings remain intact alongside your character progress. Summary Checklist for a Working Save 💡 Key Tips for Success:

Ensure the file is named exactly savedata.dat (all lowercase). Verify the path includes the Koei subfolder in Documents.

Check that Administrator Mode is active for the game launcher.

Confirm the save file matches the language version of your game.

By following these steps, you can bypass the grind and jump straight into the fray with Lu Bu or your favorite maxed-out bodyguard. To help you get this running perfectly, could you tell me:

Are you using the original CD or a digital/abandonware version? What Windows version are you currently on?

Is the game crashing, or just showing a "No Save Data" message?

To ensure your Dynasty Warriors 4 Hyper save file works correctly, you must place it in the specific directory used by the game. Correct Save File Location

For the PC version, save files (typically .dat files) must be moved into the following directory:

Path: C:\Users\[Your Username]\Documents\KOEI\Dynasty Warriors 4 Hyper\Savedata

Pro Tip: If you cannot see the Savedata folder, launch the game and complete one stage to force the game to generate the folder structure automatically. Troubleshooting Common Save Issues

If the save file is in the right place but still isn't loading, try these common fixes:

Controlled Folder Access: Windows Security might block the game from writing or reading files in your Documents folder. Go to Windows Security > Virus & threat protection > Manage ransomware protection and allow the game's .exe through Controlled folder access.

Read-Only Attributes: Right-click your KOEI or Dynasty Warriors 4 Hyper folder, select Properties, and ensure the Read-only attribute is unchecked for all subfolders and files.

Cloud Interference: Services like OneDrive can sometimes redirect or lock the Documents folder, preventing the game from accessing the save. Try temporarily disabling OneDrive syncing for that folder.

Compatibility Mode: If the game crashes while trying to save, right-click the game shortcut, go to Properties > Compatibility, and set it to run in Windows XP (Service Pack 3) or Windows 7 mode. Transferring Data

If you are moving a 100% save file from another source, ensure you copy both the SLOT000x.dat (progress) and USER.dat (system settings/unlocks) files to the Savedata folder to avoid errors. Dynasty Warriors 4 Hyper - 100% Save Data - GameFAQs

Dynasty Warriors 4 Hyper Save File Work: A Comprehensive Guide

Dynasty Warriors 4 Hyper is an action-packed game that challenges players to navigate the complexities of ancient China's history while battling hordes of enemies. For fans of the game, saving progress is crucial to track achievements and continue enjoying the gameplay experience. In this write-up, we will provide helpful insights on how Dynasty Warriors 4 Hyper save files work.

Understanding Save Files in Dynasty Warriors 4 Hyper

Save files in Dynasty Warriors 4 Hyper are data files that store player progress, including completed levels, unlocked characters, and accumulated experience points. These files are usually stored in a specific directory on the player's console or PC.

Save File Locations

The save file locations for Dynasty Warriors 4 Hyper vary depending on the platform:

• PlayStation 2 (PS2): Save files are stored on the game's memory card.
• Xbox: Save files are stored on the Xbox's hard drive, typically in the \Save directory.
• PC (via emulator): Save files are often stored in the emulator's designated save directory.

Working with Save Files

To work with save files in Dynasty Warriors 4 Hyper, follow these steps:

1. Backup Your Save Files: Regularly backup your save files to prevent data loss in case of a game malfunction or accidental deletion.
2. Use a Save Editor (Optional): For players interested in modifying their save files, a save editor can be used to adjust parameters such as character levels, items, and completed levels. Use save editors with caution, as they may potentially corrupt your save data.

Tips and Tricks

• Save Frequently: Dynasty Warriors 4 Hyper can be challenging, so save frequently to avoid losing progress in case of a difficult battle.
• Use Multiple Save Slots: Utilize multiple save slots to experiment with different characters or playstyles without overwriting previous progress.

By understanding how Dynasty Warriors 4 Hyper save files work, players can focus on enjoying the game while ensuring their progress is secure.

Issue 1: Save file not recognized after copying

Cause: File name mismatch or wrong directory.
Fix: Ensure the file is named exactly savedata.dat (case-sensitive only on some file systems? Generally no, but match original). Place in \Savedata\ folder, not root of install.

Issue 3: “Corrupted data” message

Cause: Save file from a different region (e.g., Chinese PC version vs. English), or file tampered beyond game's checksum tolerance.
Fix: Use a hex compare tool. First 4 bytes may contain a simple checksum. Replace with a known good save header.

2. Cloud Save Fix (Steam)

If you are trying to get Steam Cloud to sync your save file (fixing the "Start New Game only" issue), paste this into your Steam Launch Options:

PROTON_USE_DYLD=1 %command%

(Right-click the game in Steam > Properties > General > Launch Options.)

The Best Tool: DW4HyperSaveEditor (Community Tool)

• Can edit: Max health, Musou, Attack/Defense, all weapons, all items to level 20, unlock all stages.
• Does not break: The registry binding, because it edits your existing savedata.dat without changing the header hash.

How to verify your edited save works:

1. Always keep a backup before editing.
2. Edit the file with the tool.
3. Save it with the same filename.
4. Launch the game. If it loads, the save file works.

Dynasty Warriors 4 Hyper Save File Work: The Ultimate Guide to Backups, Edits, and Compatibility

Introduction: The 20-Year-Old Grind

Released in 2005 for PC, Dynasty Warriors 4 Hyper was Koei’s ambitious port of the classic PS2 hack-and-slash. While the "Hyper" edition added graphical upgrades and a unique enemy aggression system, it also introduced a frustrating reality for PC gamers: save file corruption, lost progress, and strange compatibility issues with modern operating systems.

If you have ever Googled the phrase "Dynasty Warriors 4 Hyper save file work," you are likely one of the thousands of players struggling to get a downloaded 100% save to function, recover a corrupted backup, or understand why your Steam Deck or Windows 11 refuses to recognize your carefully placed files.

This article explains exactly how save files work for Dynasty Warriors 4 Hyper, how to make them work across different PCs, and how to troubleshoot the most common errors.

4. Editing Save Files

• You can edit savedata.dat with a hex editor (e.g., HxD) to unlock characters or change stats, but there is no official save editor.
• Always keep a backup before editing.

2. Save File Location (Default)

The game saves progress to a file typically named savedata.dat in the following directory:

[Game Installation Folder]\Savedata\

Example: C:\Program Files (x86)\Koei\Dynasty Warriors 4 Hyper\Savedata\savedata.dat

Note: On modern Windows (8/10/11) with default installations to Program Files (x86), Windows may virtualize writes to %LocalAppData%\VirtualStore\Program Files (x86)\Koei\... if the game lacks admin rights.