Click on this link to reset your Google password:
https://myaccount.google.com/security/signinoptions/password?utm_source=ob&utm_campaign=password&hl=en&rapt=AEjHL4OtpCaZ-oHCQeOAqhWNLkZ3TMucNV9cj81EOCUMJr3UrwyP_fBqnxU8UTC1XvlIsm4ptxtgcT4lbgPOA8fkzxyk_0uS8g
You will be asked to login with your current password.
You will then be re directed to a page which allows you to enter a new password twice.
NOTE: If you are using the Google Drive desktop client, you will need to sign in with your new password:
Click here.
Click here