You can reset your Yahoo Mail password by accessing your account settings on a system. If you cannot log in because you've forgotten your password, use the "Forgot password" link on the sign-in page to change your password. Follow the below steps to how to change Yahoo Mail password: 1. First, launch the Yahoo Mail in a web browser and then click your profile avatar. 2. Then, click "Settings" and select "Account info" instead. 3. In the left section, click "Account Security." 4. Click "Change password" to change Yahoo password. 5. Then, enter your new Yahoo Mail account password you want to set and enter it twice to confirm the new password. 6. Click "Continue" to save your new password.