Thanks for joining this thread, @janet_003.

Because of the 3-year support of all QuickBooks products, you won't be able to register discontinued products online. QuickBooks 2007 is a discontinued version, along with the assisted support. For more in-depth information on the QuickBooks policy, you can refer to this article: Discontinuation policy and upgrade information.

You can contact our Customer Care Support Team to discuss the available options for you. You can follow the steps provided by ZackE on how to contact them. For more details about our support availability, refer to this article: Contact Support. 

You can read the resources below for additional information about registering QuickBooks Desktop:

• Activate QuickBooks Desktop 
• Find license information
• Fix license, validation, and registration errors

Thanks for reaching out. I'll keep an eye out for your response.