magnet:?xt=urn:btih:4b4cfa85e01604e979bc95f3128b8322d889fa28&xt=urn:md5:74e78a483e84ed586bc75700ab887e8b&xl=43456155&dn=qt-creator-opensource-src-4.12.1.tar.gz&as=https://download.qt.io/archive/qtcreator/4.12/4.12.1/qt-creator-opensource-src-4.12.1.tar.gz&tr=http://bt.qt-project.org:6969/announce