Using your guitar string winder, being unwinding by turning the tuner on the low 'E' string counter-clockwise. If the guitar was strung improperly you may have to turn clockwise to unwind. For this guide I will show you how to completely remove a string before moving on to the next string.
Make sure to pay attention to the string sizes and place them in order. It's sometimes difficult to tell by looking at them, but the string sizes are often written on the package.