magnet:?xt=urn:btih:78f4423bbf2fd5c77648e65cdd7d4e89cc4b5f8c&xt=urn:md5:2ecd867441e294c93d267e4ff6424237&xl=1673040&dn=qt5-opensource-src-5.3.1.7z&as=https://download.qt.io/new_archive/qt/5.3/5.3.1/submodules/qt5-opensource-src-5.3.1.7z&tr=http://bt.qt-project.org:6969/announce