I suggest TurboTax Free File Edition. While the name is similar to Free Edition,
there are no upgrade fees. 
To you qualify
Make less than $34,000 a year or
Qualify for the Earned Income Credit or
Active military making less than $66,000
For more information, follow these links: Free File
Program  and IRS
Free File Alliance.
To get started, click here:  www.taxfreedom.com.