magnet:?xt=urn:btih:625846f004f56614c47f6cffd3043e1076f523d3&xt=urn:md5:905d9f5d9556271c393eec694f6bdbae&xl=3404015&dn=qtconnectivity-opensource-src-5.4.2.zip&as=https://download.qt.io/new_archive/qt/5.4/5.4.2/submodules/qtconnectivity-opensource-src-5.4.2.zip&tr=http://bt.qt-project.org:6969/announce