You’ll then be shown a asking you to put in the last password you can remember. Starting the password recovery process is pretty easy: just click the “forgot password” link on the Gmail sign-in page. Thankfully, they’re all laid out in a nice little wizard that Gmail will walk you through step-by-step. Gmail has a few different ways to confirm your identity and recover (or reset) your password. Enter the secondary email address you used when you set up your Gmail account to get a password reset email.
If you can’t remember one, click “Try a different question.”