There are typically two different types of guitar to setup. Either you are using an acoustic guitar or a classic stype guitar. If you are using an electric guitar, follow the steps for the acoustic guitar.
If your bridge looks like this picture, you are stringing a classic guitar. Click on the picture to go there.
If your bridge looks like this picture, you are stringing an acoustic guitar. Click on the picture to go there.
Click here to see how to setup a classic guitar.
Click here to see how to setup an acoustic guitar.