Not sure which product to download...

Single home owner, employed and have a few 1099 INT , contribute to tIRA/401 workplace retirement acct, & my W2.  Always took std deduction ( no med claims or contributions or kids) only pay prop taxes and get a  1099 DIV  form with cap gain distributions box 2a, 2b that just reinvest back in the 2 funds. Not sure which product I need. 

If I purchase wrong one, then what?

Thanks for any assistance