If you purchased Cool Edit Pro on or after Dec 1, 2001, you are eligible for a free upgrade to version 2.0. Email email@example.com or call 1-888-941-7100 and ask for the free upgrade. They may need you to fax your Sweetwater invoice as proof of purchase date. Then you will be sent a registration number. You can download the 21 day trial and unlock it when you get the registration number.