magnet:?xt=urn:btih:a1039070f2e7d922fdd602c13420c811ab81c963&xt=urn:md5:eee07b20eca7f099b2041f11a8e1cb67&xl=172679948&dn=qt-mac-cocoa-opensource-4.6.3.dmg&as=https://download.qt.io/archive/qt/4.6/qt-mac-cocoa-opensource-4.6.3.dmg&tr=http://bt.qt-project.org:6969/announce