If you need to check your Estimated Social Security Benefits or your Earning Record just go to https://www.ssa.gov.
Then click on the my Social Security option :
You can then Sign in ( if you already have an account ) or Create an account :
You will then see the next screen :
After you entered your username and password click the Sign In button:
You will then see the options below :
Make sure you check your earnings report so you can update or make corrections on time if there are unreported wages or incorrect informations in your account.