Source: http://superuser.com
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Create a local user account with administrative privileges if you don't have one already.
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Reboot.
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Login with local account with administrative privileges.
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Win+X, G (Computer Management) → System Tools → Local Users and Groups →Users, right-click user, Rename.
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Win+X, A (Command Prompt (Admin))
ren C:\Users\dzinx_000 dzinx -
Win+X, R (Run)
regedit -
Navigate to
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\and find the SID for your user account. You can simply open each folder and check theProfileImagePathfor the correct one.Rename the
ProfileImagePathvalue to your desired name, likeC:\Users\dzinx -
Log in with your Microsoft account. Everything should work fine: