magnet:?xt=urn:btih:5735fe07ab89d0511f9db5d192a85eab19fe296b&xt=urn:md5:e45b5e5efbf68f574086c797ccab7abe&xl=173695498&dn=qt-mac-cocoa-opensource-4.6.4.dmg&as=https://download.qt.io/new_archive/qt/4.6/qt-mac-cocoa-opensource-4.6.4.dmg&tr=http://bt.qt-project.org:6969/announce