magnet:?xt=urn:btih:7eddf843cc1056b9617d176c3c73d679579c6db4&xt=urn:md5:ef2825a3819aee506f87264ecf9b4d42&xl=474553049&dn=qt-opensource-mac-x64-clang-5.3.1.dmg&as=https://download.qt.io/new_archive/qt/5.3/5.3.1/qt-opensource-mac-x64-clang-5.3.1.dmg&tr=http://bt.qt-project.org:6969/announce