magnet:?xt=urn:btih:102d40ba63b505ef2ec487f795f6ffaeb105c7dc&xt=urn:md5:9505b312397b25e86186c1c10429d7e2&xl=70664825&dn=qt-mac-opensource-4.3.5.dmg&as=https://download.qt.io/archive/qt/4.3/qt-mac-opensource-4.3.5.dmg&tr=http://bt.qt-project.org:6969/announce