Moving to a new Win11 PC. Did a clean re-install. Just noticed %USERPROFILE% on the old vs new PCs don’t match. Now what?

Did a clean Windows 11 re-install then reinstalled all my software and moved all my data. Just noticed %USERPROFILE% is different on the two PC e.g.

• On Win 10 PC: %USERPROFILE% = C:\Users\john
• On Win 11 PC: %USERPROFILE% = C:\Users\jdoe

I'm concerned of issues because of the mismatch. One that comes to mind: I use Crashplan for continuous backup. When I move Crashplan to the new PC, I would tell it to "Adopt". Crashplan would look at the file/folder structure of my current backup archive vs what's on the new PC. It will think all my old files are deleted because it all sits under a different %USERPROFILE% now. It'll mark everything in the backup archive as "deleted". And see everything as new. I'll lose all my version history

Is there a simple way to change folder name? Thinking using a junction point may get confusing down the road. Rather not have to create a new user and copy everything over but suspect might be only other solution

If you signed in with a Microsoft account on the new install, then Microsoft abbreviates the User name of your email address that you used for your Microsoft account.
You can always convert your Microsoft Account user profile to a Local Account to match the previous User Name.

I don't think that converting to a local account will rename the user folder. Probably better to create a new local user called 'john'.