Do a bit of a search around these threads in this forum.
Basically check the
relief of the neck (how much curve it has). It may need the
truss rod adjusted.
Check the
action or height of the strings from the fretboard. This is adjusted at the bridge via means of the allen key screw in the
saddles
I have highlighted those words so you not only become familiar with the terms, but it may aid you in learning about setup.

Merls