magnet:?xt=urn:btih:0e1a5004b94b55bf59750df8635c198567a819e0&xt=urn:md5:4112b31618e23beeab021ab91e528d90&xl=40&dn=5.12.1-0-201901300519qtwinextras-Windows-Windows_10-MSVC2015-Windows-Windows_10-X86_64.7z.sha1&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_5121/qt.qt5.5121.win64_msvc2015_64/5.12.1-0-201901300519qtwinextras-Windows-Windows_10-MSVC2015-Windows-Windows_10-X86_64.7z.sha1&tr=http://bt.qt-project.org:6969/announce