If the official installer is too slow, many developers use to download Qt5. It uses a package manager (pacman) to handle dependencies. Command : pacman -S mingw-w64-x86_64-qt5
: Navigate to 5.15 > 5.15.2 (the last major open-source offline release). qt5 mingw download
: Ensure "MinGW" is also selected under the "Developer Tools" section. 📂 Manual & Archive Downloads If the official installer is too slow, many
: Check the box for MinGW 8.1.0 (or the version listed). This ensures the compiler and the pre-built Qt libraries match perfectly. qt5 mingw download