magnet:?xt=urn:btih:25400d81e8dcef6edc817ea45235972197172fb9&xt=urn:md5:5711d30e951dc7431860e52d68012591&xl=83082252&dn=qtbase-everywhere-opensource-src-5.15.7.zip&as=https://download.qt.io/archive/qt/5.15/5.15.7/submodules/qtbase-everywhere-opensource-src-5.15.7.zip&tr=http://bt.qt-project.org:6969/announce