If you’ve forgotten your Google account password, you need to complete the procedure below to recover your Google account:
You will be asked a few questions to confirm that it is your Google account. Try to answer the questions to the best of your ability.
If you encounter any problems, try applying the tips to complete the account recovery procedure.
Reset your password when prompted. Choose a strong password that you haven’t used with this account before.
For more information, click this link: https://support.google.com/accounts/answer/7682439?hl=en