forms

You can enter them.  Did you already file without them?

Enter a 1099R under
Federal Taxes on left
Wages & Income at the top
Then scroll way down to Retirement Plans and Social Security
Then IRA, 401(k), Pension Plan Withdrawals (1099-R) – Click Start

Don't type the bank name or try to import it.
At the bottom pick - Change How I enter my Form
Then on the next screen pick - I'll Type it in Myself

Be sure to pick the right kind of 1099R on the 4 boxes. 1099R or CSA1099R or CSF1099R or RRB1099R
If you are filing a Joint return be sure to pick which person it is for.

Enter a SSA-1099, SSA-1099-SM or RRB-1099 under

Federal Taxes on the left side or top

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