MajorGeeks published a tutorial about how to add boot to UEFI firmware settings desktop context menu.
How to Add Boot to UEFI Firmware Settings Desktop Context Menu
Booting to UEFI firmware isn't always easy to do, but by adding the option to your Desktop Context Menu, you can always easily boot into your UEFI firmware settings.
How to Add Boot to UEFI Firmware Settings Desktop Context Menu - MajorGeeks