Uninstalling McAfee using the normal method or using the McAfee removal tool should not delete any of your personal files, did you check the recycle bin to see if your missing files are in there.
This forum is a public user to user forum, no-one here is allowed to remote access into your PC.
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You may be logged into a temporary account, even though it may not seem so.
Before you do anything or move any files around
Restart (not shut down) your PC 4 times, each time let your PC get to the Desktop before the next restart, this will fix this issue a lot of the time.
Otherwise:
Open Windows File Explorer
Navigate to C:\Users
Do you see two user folders that look like yours?
Open those folders and check inside the Downloads and Desktop folders. and see if your files are there
If your files are there:
NOTE VERY IMPORTANT: Do Not copy your files into the Temporary profile you are currently in, when the situation is corrected, your files will be deleted with the Temporary Profile and will not be recoverable !!
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If you are still not able to find the missing files.
Click your Start Button, type regedit and hit Enter to open the Registry Editor.
Click View and make sure 'Address Bar' is turned on.
Paste this into the Address Bar at the top and hit Enter.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
Please provide a screenshot of that Registry Editor page.