Tune guitar strings

As you know from the first post 

1st string is E

2nd string is B

3rd string is G

4th string is D

5th string is A

6th string is E (2octave lower than 1st string)

It's easier to use apps in you smartphone to tune the guitar

Instuner lite is a good apps

Most beginners don't know if their string is higher or lower if they see only A B c alphabet. This can help you locate where you are now and see if you need to go lower or higher. 

Or you can search for other apps to tune your guitar on your phone. There are several good tuning applications. 

Then start to tune your guitar.