Verified answer

check on computer exterior itself, manual or if no luck email Packard Bell direct.

Packard Bell Serial Number

i too have a packard bell yet so a options as i recognize the abode windows xp already has it buit on your partition try urgent f11 or 10 at the same time as restarting this will provide you with the alternative of finished installation or fix

try the serial number on the back of the PC,. it should be there somwhere.