From the Main Menu go to: Tools -> Program Options -> Optional Features -> make sure Gift Certificates is Enabled:
Go Down to Business & Financial Settings and expand Automatic Numbering: Enter the “Next Gift Certificate (GC) Number”
Then go Down to Payment Types & A/R Terms:
Highlight and either click “Edit” or double click on the GC item:
In here you can configure the prompting for the Clerk to put in a GC number if not using Automatic Numbering,
Prompt for GC Recipient YES or NO and any expiration!
Then review these articles to sell and redeem gift certificates.