Pump the tyres up and go for a gentle ride around a park to see what works and doesn't. Take it home and fix those issues then ride and enjoy.
Oh and welcome to cyclechat @L4ndSh4rk
Well it seems everything moves quite freely and easier except the chain and tires. Haven't tried pumping them up yet but the chain literally fell apart when I pulled on it to try and get it back on the crank. The shifting cable is starting to fray so I'll do that but yeah from what I could tell everything seems to be moving OK. Thanks for the help and the welcome 🙂