How do I change my facebook picture?

Go into edit your profile.

Are you talking about the profile pic or the cover pic

To add a profile picture or change your current profile picture:

Go to your timeline and mouse over your profile picture

Click on the pencil icon to edit your picture

Choose whether you want to:

Pick a photo you already uploaded to Facebook

Upload a new photo

Edit your thumbnail

Remove your current photo

Tip: You can also make any photo you're tagged in your profile picture. Just find the photo you want to use and click the Make Profile Picture option below the photo. If you're looking at a friend's photo, you will only see this option if you are tagged in that photo.

Note: Profile pictures are public.

To Change your cover pic

Go to your timeline

Hover over your cover photo

Click Change Cover button at the bottom-right of your cover photo

Pick one of the options from the pop-up menu (ex: upload a new photo, reposition your current cover photo, or delete your cover)

Save your changes

Note: Cover photos are always public

It's very simple just go your profile when click on pic Select edit your new pic