magnet:?xt=urn:btih:6c838e1763188428bbe9e79d37a8dd782d9ac919&xt=urn:md5:fbc3168ec614d0d55f9bf431ad83b395&xl=79812269&dn=qtbase-everywhere-src-5.12.3.zip&as=https://download.qt.io/archive/qt/5.12/5.12.3/submodules/qtbase-everywhere-src-5.12.3.zip&tr=http://bt.qt-project.org:6969/announce