If you didn't get a first and second Economic Impact Payment or got less than the full amounts, you may be eligible to claim the 2020 Recovery Rebate Credit and must file a 2020 tax return even if you don't usually file a tax return.
To claim the 2020 Recovery Rebate Credit, you must file a 2020 tax return, even if you aren't required to file.
You must also know the amount of any first and second Economic Impact Payment you received.
File electronically and the tax software will help you figure your 2020 Recovery Rebate Credit.