Barre chords are very versatile, they give you the possibility to play every chord that exists. A barre chord simply means that at least two notes are played with one finger.
In this lesson, we will look at barre chords based on the E string and A string. These barre chords are played using the shape of an A chord and the shape of an E chord. Find the root note of the chord you are looking for on the string of your choice, than put your fingers in the appropriate shape.
Below is the fingering for the barre chords. When you play those, make sure that your thumb is directly behind and parallel to your first finger (index) on you fretting hand. Barre chords take a long time to get good at, because you need to develop the strength in your thumb and index. It's not a comfortable position either, so practice often, but not for long periods of time. Be patient with those, but practice them often.