Enter a SSA-1099, SSA-1099-SM or RRB-1099 under
Federal Taxes
Wages and Income
Then scroll down to Retirement Plans and Social Security
Then the second line - Social Security (SSA-1099. RRB-1099) - click the Start or Revisit button
After you enter it keep going. There are follow up questions you need to answer. Especially look for if you lived in a Foreign country. Should be No.