I am not OP but i use win 8 for my primary OS too and i don't use any AV. IIRC, win8 had some built-in virus protection. Also my usage is primarily pro and don'

I am not OP but i use win 8 for my primary OS too and i don't use any AV. IIRC, win8 had some built-in virus protection. Also my usage is primarily pro and don't use thumb drives etc on my workstation. Also my internet habits and chrome protect me from internet side of things.