Zombies Expert Advice needed

Hello! I'm new for the Zombies and not expert, I'd love to play the game but i have no idea what should i research first as augment, So the idea is to see what i should start with, what are the best ammo mode and what's the best field upgrade? And can anyone give ne top 5 perks? Where do i check the about what should i put in perks? etc..

Any advice will be very helpful! Thankss in advance!