magnet:?xt=urn:btih:3b99ed2a9873f4f041a994b9f1e0e14fa9d47ace&xt=urn:md5:350f8737f1288f37480a2d3275c2c84c&xl=80492805&dn=qt-all-opensource-src-4.3.4.zip&as=https://download.qt.io/archive/qt/4.3/qt-all-opensource-src-4.3.4.zip&tr=http://bt.qt-project.org:6969/announce