im gonna be building my pc tomorrow morning so I'm just get all the bios and iOS sorted before hand but I'm just confused because there are quite a few options on the website and I'm sure what ones i need and if i need any of the other downloads on the page http://www.asrock.com/mb/Intel/Z370%20Extreme4/index.asp#BIOS any help would be appreciated, also with the anti static wrist band my ones not gonna be coming till monday now(was meant to come yesterday but now tomorrow gonna is friday which is a public holiday, but my grandfather has one but the rubber has started to detiriate (showing wires i think) would that be okay to use is i covered up the exposed wires? been waiting all week to build it so i don't think i can wait till monday and theres literally no where around here that sells one, thanks