Macos：
https://github.com/Stellarium/stellarium/releases/download/v0.20.3/Stellarium-0.20.3.1.zip
Windows x86：
https://github.com/Stellarium/stellarium/releases/download/v0.20.3/stellarium-0.20.3-win32.exe
Windows x64:
https://github.com/Stellarium/stellarium/releases/download/v0.20.3/stellarium-0.20.3-win64.exe