magnet:?xt=urn:btih:87799353232589f71b342c374d88ed59e8be293e&xt=urn:md5:e602374a683f2116bca011a8f52c8904&xl=651499&dn=qtserialport-everywhere-opensource-src-5.15.18.zip&as=https://download.qt.io/archive/qt/5.15/5.15.18/submodules/qtserialport-everywhere-opensource-src-5.15.18.zip&tr=http://bt.qt-project.org:6969/announce