You can find the raw code for the script on its official GitHub repository or as part of the larger MediaCreationTool.bat project. Guides from Tom's Hardware and PCrisk suggest saving the raw text as a .cmd file and running it as an administrator to apply the patch.
The script is a specialized batch utility designed to bypass Windows 11 system requirement checks—specifically Trusted Platform Module (TPM) 2.0, Secure Boot, and CPU compatibility—during in-place upgrades or feature updates.