- On any sign-in page, click Prevent Password Theft at the top of the sign-in box.
- On the sign-in seal set-up page, click Create a text seal or Upload an image.
Type your secret message or select an image:
If you're creating a message, type up to three lines of text in the spaces provided. Each line can have up to 7 characters. Pick a message that someone else will not be able to guess. Don't include your Yahoo! ID or password in the message.
If you're using an image, click the Browse button and locate the image on your computer. For tips on choosing an image, see What picture can I use for a sign-in seal?
- If you want, select a background color for your sign-in seal. To see more colors, click See more colors. The color will help you identify your seal whenever you sign in on this computer.
- Click the Preview button to see how your seal will look when it's displayed.
- When you're satisfied with the seal, click Save This Seal.