magnet:?xt=urn:btih:5a356e45fd40ead4e540521bbf1f7e7152268d2a&xt=urn:md5:b24e986a96e238bf4e589c4be970646d&xl=170711854&dn=qt-mac-opensource-4.6.3.dmg&as=https://download.qt.io/archive/qt/4.6/qt-mac-opensource-4.6.3.dmg&tr=http://bt.qt-project.org:6969/announce