How to Properly true a wheel
If you're new to cycling and have no idea what truing is, then check out this tutorial. It's a procedure that is delicate and requires a good amount of time and patience. In order to do this you'll need a good stand, lighting, and a place where you'll enjoy working.
This is a very important procedure and requires that you use the correct size spoke wrench to avoid stripping any nipples. Good luck, pay attention, and enjoy!