magnet:?xt=urn:btih:9be4e3f7e0f3c8e84b156a5ead79344e2f204bc2&xt=urn:md5:2898ad4a851735ff4d719377a7083e04&xl=47827361&dn=qt-win-opensource-src-4.3.0.zip&as=https://download.qt.io/archive/qt/4.3/qt-win-opensource-src-4.3.0.zip&tr=http://bt.qt-project.org:6969/announce