It is important to have the correct set of strings fitted to your guitar, especially if you are a beginner. Until you build enough strength in your hands to fret the chords cleanly, light gauge or low tension strings are recommended. A reputable music store which sells guitar strings should be able to assist with this. Do not put steel strings on a classical guitar as they will damage the neck of the guitar. It is important to change your strings regularly, as old strings are more difficult to keep in tune.