so i checked this website http://www.asus.com/Motherboards/Z87A/HelpDesk_Download/ trying to update my new mobo asus z87-a bios but i dont know what im looking at. am i suppose to download the version 1.5 under bio-utilities or the version 1802 under BIOS tab? what am i suppose to install first? this is so confusing. my bios is currently version 1602