Swindon have signed Belford on a two-year deal following his release by Liverpool.
He told BBC Wiltshire: "I've just got to come here and work hard."
Belford continued: "I've played a few games at Under 21 level and I've been away with the Liverpool first team so it's been brilliant for me.
"I've heard a lot of good things about Swindon and it's on the way up. I've seen the manager has got belief in the young players, so it's great for me."