magnet:?xt=urn:btih:36a24ffb9e145e232f6da592bc285db0a48ab64c&xt=urn:md5:11a44350b40cf2785ff28b2a4f502466&xl=3443354561&dn=qt-opensource-mac-x64-5.12.1.dmg&as=https://download.qt.io/archive/qt/5.12/5.12.1/qt-opensource-mac-x64-5.12.1.dmg&tr=http://bt.qt-project.org:6969/announce