First call TurboTax customer service, explain the situation, and see if they will give you a 2022 download. If not, you can buy a new download of the 2022 software at this link.
Do you have the .tax2022 data file for your 2022 tax return? An amended return uses the original return as a starting point. If you don't have the .tax2022 file for your original return you will first have to recreate your original return in TurboTax, making sure that it exactly matches the return that you filed. Then you can amend the recreated return. You cannot use a PDF of the original return. You need the .tax2022 file.