Lenovo Y50-70 BIOS Unlock

hi guys, Can someone help me with a full bios unlock ?

here are my files: http://www.sendspace.com/filegroup/wI1FJuQg7WSOml%2FfmxSJ4Q

and i dont know if i should follow this tutorial https://www.bios-mods.com/bios-recovery/insyde-bios-recovery/

thank you.