magnet:?xt=urn:btih:7a06ef8a32d9cdfb70f2f8e9733ed0c2038813f1&xt=urn:md5:9d10815cfea30840cafe7f0455c4efba&xl=1585876&dn=qtopcua-everywhere-opensource-src-5.15.4.zip&as=https://download.qt.io/archive/qt/5.15/5.15.4/submodules/qtopcua-everywhere-opensource-src-5.15.4.zip&tr=http://bt.qt-project.org:6969/announce