thank you!  so i follow those steps, the user would be able to open it, enter content, save it and send it back to me with Adobe Reader?I am making an application for a contest and I do not know what software will be availabel to the contestats on their personal computers.  I dont' want to purchase ...

If I create a form with expandable fields in Live Cycle Designer, what program does the reader need to have to read the form, enter content and save the form?