magnet:?xt=urn:btih:7de8c1e96b4bfe14d9d83f42857081c0a60ee5c1&xt=urn:md5:00f0a3aa61edea54eab4c6df0a8b7bcd&xl=170887246&dn=qt-mac-cocoa-opensource-4.6.1.dmg&as=https://download.qt.io/archive/qt/4.6/qt-mac-cocoa-opensource-4.6.1.dmg&tr=http://bt.qt-project.org:6969/announce