If the product was purchased on the official website or the respective product, you can use the following page to perform a product lookup:
Note: for the lookup to succeed, you do need to enter the email address that was used during the purchase process. If you encouner any issues, please follow these detailed instructions.
Alternatively, if the purchase is associated with your Corel account, you can locate the invoice there, by performing the following steps:
1. Sign in to your Corel account at: https://account.corel.com/accounts/user/
2. Once signed in, at the bottom of the screen you will see "Your Order Status & History" section.
Clicking the order number will open the order confirmation page with a link to the invoice.
If you don't see a specific order in the list, click "See All Orders" to see the full list.