i need help for EFI for hp zbook 15v g5 workstation

I have been looking for some EFI for my hp zbook 15v g5 workstation, here are the specifications

CPU Intel i7 8750h

32gb ram

intel HD 630

Nvidia Quadro p600 4GB

I have browsed several web pages but I can not find EFI and I am a novice to the creation of EFI

Sorry for my bad english