Disable any third‑party antivirus or endpoint‑protection software temporarily while you run the installer. Some security suites block the extraction of the compressed payload.
To retrieve the ProductCode for AutoCAD 2021, run: xfadsk2021x64 install
To install AutoCAD 2021 (often referred to by users as xfadsk2021x64 in certain contexts), you should generally follow official you should generally follow official