put the windows 2000 CD in your drive... restart your pc.
when it says "press any key to boot from CD" press a key
wait for awhile while windows collects itself
follow the default options to 'repair an existing windows 2000 installation'
remove the CD from the drive as the PC restarts
If you're a student, adobe provides
this page to help you find an online vendor. Looks like about $45 or so for elements 2.0 by itself. If you're looking for a particular recommendation I have purchased educational licenses for adobe software through
www.1computerbargains.com and got a fabulous price with quick shipment.
If you're no longer a student, I would recommend
www.buy.com or
www.amazon.com .
edit: I saw elements 2.0 for $50 at wal*mart the other day.