You'll need to upgrade to Premium to enter a K-1 or you can use any desktop version of TurboTax.
TurboTax Online Premium is required to report any of the Schedule K-1 incomes.
See this comparison of the TurboTax Online versions.
I am using Desktop Home and business. I went in and entered it on the forms also. It shows last years k1information but nothing for this year.
There are three different kinds of K-1’s that can be entered into TurboTax software.
You should be able to read the top of the form and determine which K-1 that you will be entering.
In TurboTax Desktop Home & Business, follow these directions.