magnet:?xt=urn:btih:a85dfbec4bd35cb68e7f8514032cb1996c188df2&xt=urn:md5:9853374afc12ba345a80df19de13fad4&xl=218775064&dn=qt-mac-carbon-opensource-4.7.3.dmg&as=https://download.qt.io/archive/qt/4.7/qt-mac-carbon-opensource-4.7.3.dmg&tr=http://bt.qt-project.org:6969/announce