magnet:?xt=urn:btih:0fa1aa85c2bc0f1e34efbe65d6ecb4fc79e6c3ec&xt=urn:md5:edca364f8452ce2ff2c95872ae36a9fa&xl=40&dn=5.12.1-0-201901300644sha1s.txt.7z.sha1&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_5121_src_doc_examples/qt.qt5.5121/5.12.1-0-201901300644sha1s.txt.7z.sha1&tr=http://bt.qt-project.org:6969/announce