daughter's old computer, going to let grandparents have it can't remember the system password how can I1 person needs an answerI do too

With a used computer, no matter its provenance, best practice is to do a clean install/factory restore of Windows. This makes knowing current passwords unnecessary. http://michaelstevenstech.com/cleanxpinstall.html - Clean Install How-To http://www.elephantboycomputers.com/page2.html#Reinstalling_Windows - What you will need on-hand MS-MVP - Elephant Boy Computers - Don't Panic!