Windows 10: Accidentally deleted windows.old folder

Hi . I have recently upgraded to windows 11 from windows 10 Home. Since the windows.old folder was a large folder, I deleted it. Later i felt that windows 10 was better than 11 and decided to rollback. So how can I do that without the windows.old folder

:)

 

Accidentally Deleted Some Folders

Yesterday I was cleaning my PC and I accidentally deleted two folders (named "NVIDIA" and "NVIDIA Corporation") in C:\ProgramData. To my knowledge this two folders only contain non important stuff like logs, etc. Later on I have found out my Program Settings in NV Control panel were set to default. This is no big deal, but now I'm worrying I fu***d something up. Otherwise, everything works as it should --> no overheating, BSODs, games are working normally...

I just want to know what I deleted. Were those two folders important???

 

Trouble deleting a folder

Thanks for the suggestion but it says "delete folder failed for E:\....." for each folder I try.

*Confused

Will I be forever stuck with these unnecessary folders? *Oh Well hwell:

 

Accidentally Deleted Some Folders

While Im not sure of how important they are, I think System restore would put them back and I see they are pretty darn big too 6.5mb and 2.5 GB on my just freshly imaged laptop .