It’s always a good idea to update your password regularly and to make sure it’s unique from other passwords you use- it’ll keep you ahead of the curve, and your personal information at minimal risk.
Step 1. Log into your Yahoo account as you’d usually, and click on the gear icon within the upper-right corner.
If you’re using a mobile browser, simply tap the Menu icon.
Step 2.Click Account info, that is likely situated at the bottom of your menu
Step 3. Click Account Security, and enter your current password.
Step 4: Click Change password.
Step 5: Enter your new password (twice).
Be sure to use a new password, too, and not one that would be simply compromised (like “password” or your birthday).
If you’ve forgotten your password
If you have forgotten your password, you’ll reset it for a fresh start.
Reset a forgotten password
Step 1. Go to the Sign-in Helper.
Step 2. Enter one of the account recovery items listed.
Step 3. Click Continue.
Step 4. Follow the instructions given in the Sign-in Helper.