magnet:?xt=urn:btih:c543fb2bf8883d91df60ccb5fd1a74868abb2ca0&xt=urn:md5:741c22db60e7b16a07e49e7a155c88a7&xl=45495249&dn=qt-win-opensource-4.1.0-mingw.exe&as=https://download.qt.io/archive/qt/4.1/qt-win-opensource-4.1.0-mingw.exe&tr=http://bt.qt-project.org:6969/announce