Question: what are the requirements for cs go overwatch?
Answer: ≥ Gold Nova 1 in competitive matchmaking.
≥ 150 wins in competitive matchmaking.
≥ 350 hours of playtime.
Account not in bad VAC-standing / not reported by other players (hard to tell how many reports are too much and how many your account has)
An account of a certain age (some lists a couple of years; mine is >10 years)