Hey there, @idlogcrafter. Thanks for reaching out to the Community.
As FIAT Lux - ASIA mentioned above, you can find it by logging into the CAMPs portal using the link provided. Alternatively, you can reach out to our Support Team to retrieve your license number. Check it out:
Go to Help, then QuickBooks Desktop Help.
Click Contact Us.
Give a brief description of your issue, then hit Continue.
We’ll provide you a few support options. Select which one is best for you.
Let me know if you have any other questions. I'll be here to help. Have a wonderful day!