1) c:\windows

2) attrib -r -h -s *.dat

3) edit system.dat

4) search>oem>find

5) Arrow off of each item so that it isn't highlighted,

6) Then "repeat last search" the same item. Eventually you will come to an "oem" at the far left of the screen. Arrow to the left to reveal the rest of the info. The entry should read "ProductIDXXXXX-oem-XXXXXXX-XXXXX"