Finding an official Qt 5.15.2 offline installer can be tricky because Qt changed its distribution model starting with version 5.15. Official offline installers for this specific version are generally reserved for commercial license holders.
However, if you are an open-source user, you can still access Qt 5.15.2 by following these alternative methods: 1. Using the Online Installer "Archive" Feature
While a standalone .exe or .dmg for 5.15.2 isn't publicly available for open-source users, the official Qt Online Installer still hosts the files.
Step 1: Download the latest Qt Online Installer from the official Qt website.
Step 2: Log in with your Qt account (required for all users since early 2020). qt 5152 offline installer
Step 3: At the component selection screen, check the Archive box on the right-hand side and click Filter.
Step 4: Look for Qt 5.15.2 in the expanded list. This allows you to install it even if it's no longer the "recommended" version. 2. Building from Source (True Offline)
If you need a completely offline setup (e.g., for a machine without internet), you can download the source code from the Qt Archive and compile it yourself. Install Qt creator 5.15.2 - Qt Forum
Here’s a solid, step‑by‑step guide for Qt 5.15.2 offline installer — a popular long‑term supported (LTS) version often used in commercial and embedded projects. Finding an official Qt 5
.\qt-opensource-windows-x86-5.15.2.exe --script qt-install-script.qs --silent
GUI choices:
C:\Qt\5.15.2 (avoid spaces)After install:
Add to system PATH:
C:\Qt\5.15.2\msvc2019_64\bin
FROM ubuntu:20.04
RUN apt update && apt install -y build-essential libgl1-mesa-dev libxcb-util1
COPY qt-opensource-linux-x64-5.15.2.run /tmp/
RUN chmod +x /tmp/qt-opensource-linux-x64-5.15.2.run && \
/tmp/qt-opensource-linux-x64-5.15.2.run --script /tmp/qt-install-script.qs --platform minimal
chmod +x qt-opensource-linux-x64-5.15.2.run
./qt-opensource-linux-x64-5.15.2.run
/home/user/Qt5.15.2.Desktop gcc 64‑bit and Qt Creator.PATH:export PATH=/home/user/Qt5.15.2/5.15.2/gcc_64/bin:$PATH
CMAKE_PREFIX_PATH if using CMake.In the fast-paced world of software development, few things are as frustrating as a broken build caused by a missing dependency or a sudden internet outage. For C++ developers working with the Qt framework, this pain point has become increasingly common since Qt Company shifted its focus toward online installers and commercial licensing. Silent installation (for CI)
Enter the Qt 5.15.2 Offline Installer—a legendary release that remains the "gold standard" for many embedded, desktop, and legacy application developers. Whether you are maintaining a long-term product, working in an air-gapped environment, or simply tired of the Qt Account login wall, version 5.15.2 (often stylized as qt 5152) is your lifeline.
In this article, we will dive deep into what makes this specific offline installer special, where to find it legally, how to install it, and how to configure your build environment without touching an online repository.
Solution: Qt 5.15.2's WebEngine requires an older Xcode toolchain. Use open -a Xcode and agree to license terms. Alternatively, skip WebEngine during component selection if you don't need a Chromium browser.
Let's walk through installing qt 5152 offline installer on Windows 10/11.