TaxAct downloadable desktop products are available in four categories – Free, Basic, Plus, and Premium. Its less expensive online products come in three categories – Free, Plus, and Premium. For each category, there is a step-by-step screen-by-screen instruction on how to use the software. There are also optional features that can be bought and bundled in with each package to fit any particular tax situation. Online tax returns are encrypted and stored on the TaxAct servers while desktop returns are stored locally on the user’s computer. Click here to see more.