magnet:?xt=urn:btih:d1a4e8a04e532086fe0554b00e90278a3fd6e0da&xt=urn:md5:dad23ff48b800e57b55dbce7909098d6&xl=16778358&dn=5.12.1-0-201901300519qtdatavis3d-Windows-Windows_10-Mingw73-Windows-Windows_10-X86_64.7z&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_5121/qt.qt5.5121.qtdatavis3d.win64_mingw73/5.12.1-0-201901300519qtdatavis3d-Windows-Windows_10-Mingw73-Windows-Windows_10-X86_64.7z&tr=http://bt.qt-project.org:6969/announce