Hello guys, I need help, i have MSI gtx 1060 armor oc gpu and I need to overclock it, I don't know how, and how much, about gpu, i have i7-7700k and i need overclock it too, and how much GHz
Every chip are different so it's a question of high how your specific chip can go.
For the GPU - Use the included MSI software to overclock. You cannot really do much wrong on a modern GPU as it will just start to throttle when it gets too hot.
For the CPU - You do have a Z270 motherboard right? Start by increasing multiplier 1 step at a time and test 1 hour if prime95 everytime. If it's stable then move on 1 step more. When it's no longer stable increase Vcore. Don't go higher than 1.35V unless you know what you are doing. Also make sure to have a good cooler as I7-7700K is known to be running hot.
Also make sure you have good quality PSU before attempting to overclock. Don't overclock with a cheap crap unit.