https://download.qt.io/archive/qt/5.15/5.15.2/qt-opensource-mac-x64-5.15.2.dmg
https://download.qt.io/archive/qt/5.15/5.15.2/single/ Look for qt-everywhere-src-5.15.2.tar.xz . qt5.15 download
md5sum qt-opensource-linux-x64-5.15.2.run Compare the output with the contents of the .md5 file. https://download
https://download.qt.io/archive/qt/5.15/5.15.2/qt-opensource-windows-x86-5.15.2.exe Note: The same filename contains both MinGW and MSVC options during installation. qt5.15 download