I just re-installed my Photoshop Elements 10 Student & Teacher Edition which i bought last year.
When I installed it first, I ordered a serial number for the product - but I don´t have this number already.
Do I need a new serial number?
Link to PSE forum. http://forums.adobe.com/community/photoshop_elements
A re-install on the same machine should not need a new serial number. If on new machine, or formatted hard drive you will need serial number.
Retrieving data ...