magnet:?xt=urn:btih:c4d773b37dfb2ad0d0ebdc2451b499446452b44f&xt=urn:md5:6e3110314f6e75eaa019e92a949f1cf3&xl=57556694&dn=qt-unified-linux-x64-4.5.1-online.run&as=https://download.qt.io/archive/online_installers/4.5/qt-unified-linux-x64-4.5.1-online.run&tr=http://bt.qt-project.org:6969/announce