magnet:?xt=urn:btih:85825c3678487938310738381f7725d489cdd5be&xt=urn:md5:0e860ebefb08e271ebc47ca167217de5&xl=743610&dn=qtserialport-everywhere-opensource-src-5.15.3.zip&as=https://download.qt.io/archive/qt/5.15/5.15.3/submodules/qtserialport-everywhere-opensource-src-5.15.3.zip&tr=http://bt.qt-project.org:6969/announce