if you're not happy messing with setting use click here try a quick tune first. as it's software it wont mess with a voltages and if quite safe, it will probaly clock the card and ram up. i would use coolbits on the card only up to max nvidia recommend, bring the ram to +10% max (sold as speed and leave the cpu. but give ntune a try. dont forget to make a restore point before you use it, it's safe but every system is different.