This tweak hides the Help option on the Start Menu.
Open your registry and find the key below.
Create a new DWORD value, or modify the existing value called ‘NoSMHelp’ set the value to equal ‘1’ to enable the restriction.
Exit your registry, you may need to restart for the changes to take effect.
Key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
Value Name: NoSMHelp
Data Type: REG_DWORD
Data: (0 = disable restriction, 1 = enable restriction)