Did you do the original return in the Desktop program? You start by just opening your return as usual. Go up to File-Open. You need to have the .tax2021 file on your computer.
If you don't see a button for Need to Amend a Filed Return? on your home screen then you can get to it here. Go to:
Federal Taxes -or- Personal (for H&B)
Other Tax Situations
last section, Other Tax Forms
Amend A Return - Click the Start or Update button
