If you forgot your Facebook password, you can reset it by following these steps:

1. Go to facebook.com/settings on a web browser.
2. Click on "Security" in the left-hand menu.
3. Click on "Change your password."
4. Enter your email address and click "Continue."
5. Enter your new password twice and click "Continue."
6. Click "Save Changes."

If you have forgotten your email address, you can reset it by clicking "I forgot my password" in the upper right corner of the page. Enter your email address and click "Continue." You will receive an email with a link to reset your password.