how to determine which product key goes with product ID?

[craptakular]

Bought two copies of win7.

how to determine which product key goes with the product ID?

I stupidly didnt label which disc I used on my desktop.

 

[Broken Hope]

Something like this http://www.magicaljellybean.com/keyfinder/ should be able to tell you which product key you used.

 

[craptakular]

ty kind sir, that worked a treat!

You are wise beyond your years!