magnet:?xt=urn:btih:9e7062d28af435a9279db9c66540f713383eef7d&xt=urn:md5:b4aee33bf3d02ac8190785b7e52cc705&xl=8390731&dn=5.12.8-0-202003131638qtdatavisualization-documentation.7z&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_5128_src_doc_examples/qt.qt5.5128.doc.qtdatavis3d/5.12.8-0-202003131638qtdatavisualization-documentation.7z&tr=http://bt.qt-project.org:6969/announce