magnet:?xt=urn:btih:6e7e43d1b50c734b994a14ad47a729c6cf69c29c&xt=urn:md5:0022711014e1bda7907687bcbc8d857b&xl=616135300&dn=qt-opensource-mac-x64-clang-5.4.2.dmg&as=https://download.qt.io/new_archive/qt/5.4/5.4.2/qt-opensource-mac-x64-clang-5.4.2.dmg&tr=http://bt.qt-project.org:6969/announce