If you applied your 2021 refund to 2022 estimated tax, there is no way to change that choice. The 2021 refund has been applied to your 2022 tax. You cannot get it back by filing a 2021 amended return. As the others have said, you will get it back when you file your 2022 tax return. VolvoGirl gave you instructions to make sure that the amount is included in your 2022 tax return.
