Go to the Gmail account recovery page: https://accounts.google.com/signin/recovery
Enter your Gmail address or phone number
Click Next
Enter the last password you remember if prompted
Choose a recovery option such as phone, email, or security question
Enter the verification code sent to your recovery phone or email
Follow the on-screen steps to confirm your identity
Answer any account recovery questions as accurately as possible
Use a device, browser, and location you have used before if possible
Check your spam or junk folder for recovery emails
Reset your password when prompted
Create a new strong password
Update your recovery phone number and recovery email after regaining access
If you cannot access recovery options, keep trying the recovery form with accurate details
Visit Google Account Help if recovery still fails: https://support.google.com/accounts/