magnet:?xt=urn:btih:743af950b726084696129ead0d342c5f403a8f03&xt=urn:md5:ffc5121e4e583d21329be6d0ebb9c48f&xl=25158&dn=qtx11extras-opensource-src-5.4.2.7z&as=https://download.qt.io/new_archive/qt/5.4/5.4.2/submodules/qtx11extras-opensource-src-5.4.2.7z&tr=http://bt.qt-project.org:6969/announce