magnet:?xt=urn:btih:98e65288721fbeb190c4ea4d409603844ef8dbdf&xt=urn:md5:0eef52e061da044146749c35df80a63f&xl=19289770&dn=qt-unified-macOS-x64-4.5.2-online.dmg&as=https://download.qt.io/archive/online_installers/4.5/qt-unified-macOS-x64-4.5.2-online.dmg&tr=http://bt.qt-project.org:6969/announce