Based on available information, xfadsk2021x64 (often appearing as xf-adsk2021_x64.exe) is a "key generator" or "crack" tool used to bypass licensing for the Autodesk 2021 software suite, including AutoCAD, Revit, and Maya.
Run as Administrator: Right-click the xfadsk2021x64.exe file and select Run as Administrator. This ensures the tool has the necessary permissions to modify registry entries or system paths required for the software to recognize the license. xfadsk2021x64 install
Generate Request Code: Open your Autodesk software, select "Enter a Serial Number," and choose "I have an activation code from Autodesk." Copy the Request Code provided by the software. Visual Studio 2022 (x64) Blender 2
Exit Codes Reference (MSI)