Business & farm
If the asset is associated with your Business, Edit your Business. You'll go through several screens asking about income, then in the Expenses section, go to Assets and Depreciation.
If you have other assets shown, but not the one you're looking for, you can 'Add an Asset'.
However, if you added the asset in 2023, look at your copy of your 2023 return for Form 4562, which will show what type of election you chose.
