Changing your wallpaper or screen saver:

Start -> Control Panel -> Appearance and Personalization

The first section called Personalization would be the only one you would actually need to use to change the wallpaper or screen saver

Add or change a signature

You can put up to 10,000 characters in your signature.

  1. Open Gmail.
  2. In the top right, click Settings Settings and then Settings.
  3. In the "Signature" section, add your signature text in the box. If you want, you can format your message by adding an image or changing the text style.
  4. At the bottom of the page, click Save Changes.