|Yeah, I noticed when googling the subject there were posting from people looking for 'lock codes' to activate it. That might be the same as a 'product key' that you often must enter when installing software. Beyond that I don't know what's required.|
If the other computer that has the photoshop on it is still working you can install something like Belarc on it to retrieve the key. Here's a download for Belarc:
You might want to first just download the photoshop starter and try to install it. That may be all you need to do.
message edited by DAVEINCAPS