magnet:?xt=urn:btih:2c32a9249a282dcc8f3b3a46aaabb5df75d9a5c4&xt=urn:md5:132fa50c7a2879ee25b1704a2e4c9cb9&xl=194861119&dn=qt-mac-cocoa-opensource-4.5.1.dmg&as=https://download.qt.io/archive/qt/4.5/qt-mac-cocoa-opensource-4.5.1.dmg&tr=http://bt.qt-project.org:6969/announce