magnet:?xt=urn:btih:b59ae0acbc07dd72e63f90f73667cf9234fe3b28&xt=urn:md5:2a24eb3d6673106c183b305561dd3388&xl=1590650&dn=qtopcua-everywhere-opensource-src-5.15.12.zip&as=https://download.qt.io/official_releases/qt/5.15/5.15.12/submodules/qtopcua-everywhere-opensource-src-5.15.12.zip&tr=http://bt.qt-project.org:6969/announce