Hi there, matrophy1.

Download link and installation disk for Quickbooks Point of Sale Pro 8.0 are no longer available since it's already discontinued. Please contact our phone support for QuickBooks POS so they can help you reinstall the program. 

To get their contact information, please go to this link and look for Point of Sale: https://community.intuit.com/browse/payments-contact-us.

Visit us again in the Community if you have other questions.