magnet:?xt=urn:btih:ffb79c14798f6dd096b6a74138cc7923d362665d&xt=urn:md5:5cd6f3aee2b54f1b907f14a7168ae9c3&xl=100715282&dn=qt-mac-opensource-src-4.4.2.tar.bz2&as=https://download.qt.io/archive/qt/4.4/qt-mac-opensource-src-4.4.2.tar.bz2&tr=http://bt.qt-project.org:6969/announce