How do I revert the actions of this Batch file?

[Microsoft Windows]

I was scouring the internet and came across a batch file that was supposed to restore the windows 8 UAC (User Account Control) screen as I prefer it over the newer one. The batch file was meant for Windows 10 but it didn't specify that. Now when I try to open Registry Editor or run a program as an administrator (or one that requires admin) a popup window appears saying ''The handle is invalid.'' I'm using a Dell Inspiron 15 running Windows 11 Home and no I didn't create a restore point before running the batch file.The batch file in question: Microsoft OneDrive

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