magnet:?xt=urn:btih:11c7744e8389a131946d704d031e244df814cee6&xt=urn:md5:94eb558cd473fb985830294a5bfed167&xl=840323&dn=5.13.1-0-201909031400qtopengl-documentation.7z&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_5131_src_doc_examples/qt.qt5.5131.doc/5.13.1-0-201909031400qtopengl-documentation.7z&tr=http://bt.qt-project.org:6969/announce