Unlock advanced bios especially mux switch on Acer AN515-45?

I am looking for advanced bios especially option in acer for mux switch on my acer nitro 5 AN515-45.
I want to disable igpu and enable only dgpu. Currently it is nvidia optimus.
Also, Configuration amd ryzen 7 5800h,
nvidia rtx 3060

Bios link:

Currently, I am using bios version 1.08, please help!