On Windows 11, you can use the "Windows Sandbox" feature to create an isolated lightweight virtual machine to test ...

2] Enable Virtualization As mentioned in the error message, the virtualization on your computer is disabled, which, you encountered this issue.

Hmm. Ok, maybe I forget to enable virtualization in the BIOS. Oh, no, that's enabled all right. Hmm. To Google! I find some ways of checking to see if virtualization is enabled in Windows. Answer ...