magnet:?xt=urn:btih:e1bf745df8794564d580ca531fbc23987c43f1a3&xt=urn:md5:ada4f507f695a557ba45bacf8052c18f&xl=172608&dn=qtpurchasing-opensource-src-5.7.0.7z&as=https://download.qt.io/new_archive/qt/5.7/5.7.0/submodules/qtpurchasing-opensource-src-5.7.0.7z&tr=http://bt.qt-project.org:6969/announce