magnet:?xt=urn:btih:ee9ec4fd7b210fd907aa2117afde503759ba478a&xt=urn:md5:d9f382a701c32f5c97d87ccccd4e72d3&xl=194148939&dn=qt-mac-opensource-4.8.4.dmg&as=https://download.qt.io/archive/qt/4.8/4.8.4/qt-mac-opensource-4.8.4.dmg&tr=http://bt.qt-project.org:6969/announce