Bios Mods -The Best BIOS Update and Modification Source

Hi everyone, I got this HP EliteDesk with a i5-6600k and I'm looking for a way to overclock this CPU, if for any reason one won't do this, I would greatly appreciate to be guided into how I could do that myself, if even possible.

BIOS Version HP N01 02.60

Here's the support page link, tell me if any additionnal info is needed: https://support.hp.com/us-en/drivers/hp-...pc/7633277