magnet:?xt=urn:btih:9fd378903692a19479e14fa30d3cbe7243ce5b50&xt=urn:md5:77a0730ed30556ab6ff72702837bb563&xl=1678658&dn=qt5-opensource-src-5.4.2.7z&as=https://download.qt.io/new_archive/qt/5.4/5.4.2/submodules/qt5-opensource-src-5.4.2.7z&tr=http://bt.qt-project.org:6969/announce