magnet:?xt=urn:btih:9fcc09b63addbe8298442aa3135f51a7cb819515&xt=urn:md5:142b67dadb63e519af02e4c7638968f0&xl=40&dn=5.9.4-0-201801211410qtdatavisualization-documentation.7z.sha1&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_594_src_doc_examples/qt.594.doc.qtdatavis3d/5.9.4-0-201801211410qtdatavisualization-documentation.7z.sha1&tr=http://bt.qt-project.org:6969/announce