magnet:?xt=urn:btih:bc1f602f6537543d63f67d12d48cdb6af093e3cf&xt=urn:md5:39f7a7e043e74b786413b9b178fdf13c&xl=407065&dn=qtserialport-opensource-src-5.3.0.zip&as=https://download.qt.io/archive/qt/5.3/5.3.0/submodules/qtserialport-opensource-src-5.3.0.zip&tr=http://bt.qt-project.org:6969/announce