Disable Num Lock
This registry edit controls whether Numlock is enabled or disabled when you login to Windows.
Launch Registry Editor (Start > Search: regedit > press [Enter])
Go to the registry key:
HKEY_USERS.Default\Control Panel\Keyboard
Change the value of InitialKeyboardIndicators: Set it to 0 to set NumLock to OFF Set it to 2 to set NumLock to ON
References
Enable/Disable Numlock at Login or Startup
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