magnet:?xt=urn:btih:63443800209fd312517f1e8d702a1867033c2257&xt=urn:md5:c3d86e81080aeb45ab12dfd1874f4eac&xl=16543857&dn=5.12.8-0-202003131358qtdatavis3d-Windows-Windows_7-Mingw73-Windows-Windows_7-X86.7z&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_5128/qt.qt5.5128.qtdatavis3d.win32_mingw73/5.12.8-0-202003131358qtdatavis3d-Windows-Windows_7-Mingw73-Windows-Windows_7-X86.7z&tr=http://bt.qt-project.org:6969/announce