Click the Blue Orb in the upper left hand corner

Choose "Register a Product"

On the page that opens choose "Add Registration" at the bottom

enter the email address that you used to purchase the product

enter the serial number you rec'd at that email address

the OD Ultimate products will show up on the "Desktop" tab

before installing, disable Windows Defender and any other security software

Install products, reboot, re-enable security programs

ENJOY!

You really shouldn't have to enter the Object Desktop serial number, as Impulse auto-registers it. I've answered your Support Ticket e-mail, as well.