Do you have the manual? (Not being snippy here, I don't have one.)
If so, see how you get to the WB settings.
If not, start at the Menu. If your camera breaks things down into sub-menus such as Recording, Playback, etc. it will be under Recording.
One thing - lots of cameras don't do well with WB set to "Auto". It seems to be best to set to "Daylight", "Cloudy", whatever.
10

bobtrips
Pro tip