Invest in some good beginner materials to get you started. See Resources below to find good guitar teaching materials at great prices.
Download a chart of the guitar neck that has all the notes on the guitar neck shown on the chart (see ‘Guitar Fretboard Chart’ in resources below). You need this as a reference when learning new chords and notes on the guitar neck.
Read all the notes on the fifth and sixth strings on the guitar, which means the two largest or fattest strings on the guitar. You need to know all the notes on these two strings as the notes on these strings will be the basis (root notes) for mostly any guitar chords you learn (A, B, C, D, E, F or G).
Buy a ‘Guitar Chord Dictionary’ from a music store or bookstore. This is a necessary reference book used to look up guitar chords as needed. It will be useful when you learn guitar music and you come across a chord that you do not know.
Practice playing the guitar as much as possible and be patient with yourself. It is well known among guitarists that the more you practice the faster you learn.
If you are interested in learning to play the guitar, this article will point you in the right direction. This article gives you a basic understanding of what it takes to play guitar notes and chords.