Windows 10 64 bit Pro, the free upgrade from Microsoft for Win 7 64 bit Pro.
I activated the built in Administrator account using Command Prompt (Admin) command = net user Administrator /active:yes
With the Administrator account activated, the account appears under "User Accounts", as firstname.lastname@example.org, not Administrator.
Running "netplwiz.exe" shows two new accounts:
username email@example.com group = HomeUsers
Mod Edit: Modified username posted by OP, protection from spambots - Hamluis.
Something appears corrupted.
Regedit shows my email address in these locations:
Edited by hamluis, 19 July 2016 - 07:49 AM.