magnet:?xt=urn:btih:a408aee57fab92b6decf3b0bdc91b9e6b2de1b64&xt=urn:md5:9d694d1b101e6c0d4433facce32f61af&xl=50532992&dn=qt-win-opensource-src-4.3.3.zip&as=https://download.qt.io/archive/qt/4.3/qt-win-opensource-src-4.3.3.zip&tr=http://bt.qt-project.org:6969/announce