Go To Your Business Profile.

Go to your business profile by clicking on the My Business (▼) dropdown on the top-right section of the site. Click Visit My Business Profile. 

Click "Upload a Banner Graphic" to start uploading a banner image.

To add a banner image, find the button at the top of your profile that says Upload a banner graphic, above your business name. 

If you have already uploaded a banner image before, click anywhere on your banner image to update, edit, or upload a new banner image:

Click "Upload" or "Change" to Continue.

If you haven't uploaded an image, start by clicking Upload to upload your banner image.

If you have already uploaded an image, you will see the option to change your image.

Find & Upload The Image File Saved On Your Computer

You will be automatically prompted to start searching for an image to upload saved on your computer. We recommend uploading an image of size 1120 x 304 pixels in JPG, or PNG format. Select the image you'd like to upload to continue. 

Resize or Crop The Image to Your Preference

Once uploaded, you can resize or crop your photo to your preference by using the corners of the image, or by dragging the crop. You can also use the horizontal cursor to zoom in and out of the image or click Reset to reset your sizing or crop.

Click "Confirm" & "Save".