Qt-opensource-windows-x86-5.15.2.exe Jun 2026

gantt title Qt 5.15.2 Lifespan in Context dateFormat YYYY-MM axisFormat %Y section Qt 5 LTS Qt 5.9 LTS : 2017-05, 36M Qt 5.12 LTS : 2018-12, 36M Qt 5.15 LTS (Commercial) : 2020-05, 36M Qt 5.15 Open-Source Support : 2020-05, 12M section Qt 6 LTS Qt 6.2 LTS : 2021-09, 36M Qt 6.5 LTS : 2023-04, 36M section Key Release Qt 5.15.2 Release : milestone, 2020-11, 0M

Add these to your system PATH :

If you prefer Visual Studio over Qt Creator, install the extension. Once installed, you can point it to your Qt 5.15.2 installation path (e.g., D:\Qt\Qt5.15.2\5.15.2\msvc2019_64 ) and create Qt projects directly from within Visual Studio. qt-opensource-windows-x86-5.15.2.exe

Qt 5.15.2 on Windows does not ship with OpenSSL binaries due to export regulations. Developers attempting to use QSslSocket or HTTPS requests will find that networking fails silently unless they manually place the OpenSSL DLLs (e.g., libssl-1_1.dll and libcrypto-1_1.dll ) in the application directory or system PATH. gantt title Qt 5

If you are currently setting up a project with this specific installer, I can help you streamline the environment configuration. Would you like to know how to using windeployqt , or do you need help configuring a specific compiler kit inside Qt Creator? Share public link Developers attempting to use QSslSocket or HTTPS requests

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For new projects, starting directly with Qt 6 is highly recommended. For existing projects running on Qt 5.15.2, plan a migration to Qt 6 in the near future to benefit from ongoing development, security updates, and new features.