magnet:?xt=urn:btih:e563a3934cdbf85bf351eba5e490997092a25c5f&xt=urn:md5:26d56e3f2bdf55c8fbc87ade910466b8&xl=43876639&dn=qtbase-opensource-src-5.7.1.7z&as=https://download.qt.io/new_archive/qt/5.7/5.7.1/submodules/qtbase-opensource-src-5.7.1.7z&tr=http://bt.qt-project.org:6969/announce