How to enter a new Option Key in Sequoia

[UltraSound]

How to enter a new Option Key in Sequoia

Boot up normally

Select Set Up Key.

Scroll to Service UI.

Select........... it will take a minute

Service Tool opens.

Page will display Feature Control

Select the box

Scroll to Third Party and select.
Press OK
Feature View Window opens
Place curser on box to key to highlight box.
Enter key ( Key is case sensitive)
Press OK
Highlight Box disappears.
Press OK again
Wait a minute or two to process.
Press Prior soft key
Check feature control list to see if feature is permanent.
Press Prior soft key
Service tool screen
Quit
Reboot the machine.

[WYLLC WYLLC]

por favor necesito un vídeo de lo que explicas aquí paso a paso