Since Epic Games often updates the launcher and engine versions, direct static links can change. This article provides the official, safe methods to download the correct installer.
Right-click the UE4PrereqSetup_x64.exe file you downloaded and select Run as administrator. This is mandatory. Without admin rights, the installer cannot write to System32 or modify protected registry keys.
File Name: UE4PrereqSetup_x64.exe
Version: 1.0.0.0 (as bundled with Epic Games Launcher)
File Size: ~25 MB
Developer: Epic Games, Inc.
System Requirements:
Download Links:
| Source | Link |
| :--- | :--- |
| Official (Epic Games Launcher Folder) | C:\Program Files (x86)\Epic Games\Launcher\Engine\Binaries\Win64\ |
| Mirror (Self-hosted) | https://yourdomain.com/redists/UE4PrereqSetup_x64.exe |
SHA-256 Checksum (for verification):
[Insert checksum here if you have the file]
⚠️ Warning: Never download this file from third-party "DLL download" websites. Only use the official Epic Games Launcher or your own packaged game build. ue4 prerequisites x64 setup link download
The UE4 Prerequisites x64 setup link download is a tiny file that solves a huge problem. Without it, your game or project will remain stuck on a splash screen or crash instantly. By using the official Epic Games CDN link or extracting it from a friend’s valid engine install, you can bypass the automatic launcher’s failures.
Quick recap of the core links:
https://epicgames-download1.akamaized.net/Builds/UnrealEngineLauncher/Installers/UE4PrereqSetup_x64.exehttps://aka.ms/vs/17/release/vc_redist.x64.exeSave this article. Share it with your team. And next time you see that error, you will know exactly what to do.
Disclaimer: URLs and file hashes are accurate as of the publication date. Always verify security certificates and checksums before running executables downloaded from the internet.
The UE4 Prerequisites (x64) package is a critical suite of software components developed by Epic Games to ensure that games and applications built on Unreal Engine 4 run correctly on 64-bit Windows systems. Without these dependencies, you may encounter errors like "0x80070643" or "Microsoft Visual C++ Runtime" issues when trying to launch a game. Core Components of the Setup
This setup bundle typically includes several underlying libraries that the engine depends on to render graphics and handle logic: Since Epic Games often updates the launcher and
DirectX Runtimes: Essential for communicating with your GPU.
Microsoft Visual C++ Redistributables: Core libraries for C++ applications (often the cause of most errors).
.NET Framework: Used for various engine-related background services. Official Download and Setup Links
There are three primary ways to acquire the UEPrereqSetup_x64.exe file, depending on your needs:
For Game Players (Manual Fix):If a specific game is failing to launch, you can often find the installer bundled within the game's directory. Navigate to:[Game Folder]\Engine\Extras\Redist\en-us\UEPrereqSetup_x64.exe.
For Developers (Full Engine):The easiest way to get the latest prerequisites is through the Epic Games Launcher. Installing any engine version will automatically prompt the prerequisite setup. For Windows:
Standalone Microsoft Redistributables:If the UE4 installer itself is failing, you may need to manually update your Visual Studio C++ Redistributables (x64 version) directly from Microsoft.
The "UE4 Prerequisites" usually refers to the Microsoft Visual C++ Redistributables and DirectX. When you install UE4 via the Epic Games Launcher or Steam, these are installed automatically. If you are missing them or need to install them manually, you can use the following official Microsoft links.
If you are packaging a game and want to silently run the prerequisites during your own installer:
UE4PrereqSetup_x64.exe /quiet /norestart
Or using the Visual C++ style switch:
UE4PrereqSetup_x64.exe /S
The installer exits with 0 on success or 3010 if a restart is required.
A: No. The prerequisites must install system-wide DLLs. There is no “portable” version.