New Bike for beginner

[DaveM]

If you can, I'd say return it and get something a little better. Very inexpensive bikes tend to be very unreliable, poorly constructed, and poorly assembled. I know it seems risky to spend too much on a hobby that you're not sure about. But I will say that if you ride even a small amount, investing in a better bike will pay off in the long and short run. Even a reasonably priced, entry level bike shouldn't need anything other than a few minor adjustments for the first year or two. The really cheap stuff tends to brake immediately as your have already experienced.

If possible, buy from an actual bike shop rather than a mass market store. Bike shops will usually offer better service and will (usually) have done a better job assembling the bike.

Finally, I recommend thinking a bit about what type of riding you'll be doing. If you want to actually do some light dirt trail riding, a mountain bike is probably best. If you'll be riding around the neighborhood, running a few quick errands, etc. look at "city bikes", "comfort bikes", "cross bikes" or others that are intended to be good for all purpose, practical cycling.