Things you need
In order to learn to play the guitar, you obviously, need a guitar. They can cost around $50 to $200, it depends on the guitar you want. You also need a capo, pick and possibly guitar stand for easy storage. The capo looks like a large set of pliers, and a pick is a thin piece of plastic. You use the pick to strum the strings. You use the capo to set the strings in a higher pitch.
All you have to do is look up "how to play guitar" on the internet