Hi there, RuzzetteAng.

Thanks for taking the time to reached out to us. I'm here to help and guide you on how to locate your license and product number so you can install your QuickBooks successfully. 

You'll need to visit the Customer Account Management Portal Site (CAMPS) web page which allows you to manage all your QuickBooks Desktop products and perform tasks such as finding your license/product information and downloading your software. 

Once you're able to login, in the Product and Services section it will show the lists of all the software you have purchased. The main page only shows the five most recent items, select Show All in the lower right of this section, scroll through the entire list to see all your subscription and purchased the software. 

For additional reference, you can check these articles:

•  Use the Customer Account Management Portal Site (CAMPS).
• Add, edit, and remove authorized user in My Account (CAMPS).

You may also contact our QuickBooks Desktop Support Team. They have the tools to look for your license/product number and walk you through the process installing QuickBooks Desktop. 

Here's how you can contact our phone support: 

1. Click this link: https://help.quickbooks.intuit.com/en_US/contact.
2. Select US version of QuickBooks Desktop, and click Contact Us.
3. Type Customer Care on the search bar.
4. And click Get the Phone number below. 

For future reference, you can check this article: Installing QuickBooks Desktop. 

This will get you on the right track. Don't hesitate to leave a comment if you have any other questions about installing QuickBooks. I'm always here to help