magnet:?xt=urn:btih:2835628523290f2b5a931da905a7715cf9df9151&xt=urn:md5:5d17e8b4310446a7b6f5e35c15937c9c&xl=252565&dn=qtserialport-opensource-src-5.3.1.7z&as=https://download.qt.io/new_archive/qt/5.3/5.3.1/submodules/qtserialport-opensource-src-5.3.1.7z&tr=http://bt.qt-project.org:6969/announce