If your program is Photoshop Elements, then you have posted in the wrong forum. Some how your thread got posted in the Adobe Premiere Elements Forum (video editing). Please post your thread in the Adobe Photoshop Elements Forum to take advantage of the specialized expertise there. Photoshop Elements
While you are doing that, the following Adobe document on Redemption Code should help.
Add on...please include in your reply if you have a regular version or student/teacher version.