What computer operating system is involved?
Since you purchased the product from Best Buy, you need to return to them for the type of question that you are asking.
If you purchased a download of the product from Adobe, you can request a return/refund within 30 days of purchase.
But, if you purchase elsewhere, you are governed by the refund/return policy of the seller.
What you might want to try is a free ccleaner run through (regular part and registry part) and then try to install Premiere Elements 13. Assuming Windows computer....CCleaner - PC Optimization and Cleaning - Free Download
You could contact Adobe Chat about the matter.
I am not sure just how much help they can give you on this matter. But, the "counterfeit" information may be of interest.