Install AutoCAD 2021 on your computer. Make sure to select the correct installation options and settings.

Here is a step-by-step guide on how to use Xforce to activate AutoCAD 2021:

Click on the "Generate" button to generate a valid product key for AutoCAD 2021.

Follow the on-screen instructions to complete the activation process.

Select AutoCAD 2021 from the list of available products in the Xforce tool.