magnet:?xt=urn:btih:d8cd8314157cd25cb01e963a0e16596881c952c4&xt=urn:md5:64a5c5a2a05d95100282d3f40ed01608&xl=3394874628&dn=qt-opensource-mac-x64-5.12.4.dmg&as=https://download.qt.io/archive/qt/5.12/5.12.4/qt-opensource-mac-x64-5.12.4.dmg&tr=http://bt.qt-project.org:6969/announce