magnet:?xt=urn:btih:9605a564aecf9dcdf4621caab001f1c0b4216e8b&xt=urn:md5:96a2a3b2f72b42f65ca9f0bd24a8cc8b&xl=70457341&dn=qt-mac-opensource-4.3.4.dmg&as=https://download.qt.io/archive/qt/4.3/qt-mac-opensource-4.3.4.dmg&tr=http://bt.qt-project.org:6969/announce