magnet:?xt=urn:btih:609806bb6db8b39ffab53213c5aeac3ccd22192c&xt=urn:md5:55419fb093757dd8624c724ddf145876&xl=5672222&dn=6.2.1-0-202110221041qt3d-documentation.7z&as=https://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt6_621_src_doc_examples/qt.qt6.621.doc.qt3d/6.2.1-0-202110221041qt3d-documentation.7z&tr=http://bt.qt-project.org:6969/announce