magnet:?xt=urn:btih:f7c793b5000b3129321327aeed2d03990423140c&xt=urn:md5:5a3e5384f39c3c98a1718992842fdefc&xl=40&dn=5.12.1-0-201901300519qtdatavis3d-Windows-Windows_10-MSVC2017-Windows-Windows_10-X86_64.7z.sha1&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_5121/qt.qt5.5121.qtdatavis3d.win64_msvc2017_64/5.12.1-0-201901300519qtdatavis3d-Windows-Windows_10-MSVC2017-Windows-Windows_10-X86_64.7z.sha1&tr=http://bt.qt-project.org:6969/announce