Make sure you have an active connection to the Internet so you can submit your registration online. The first time you run Spam Sleuth, the InstantX Registration dialog box appears. If the InstantX Registration dialog box does not appear you can access it by double-clicking on the Spam Sleuth icon in the System tray, then select Help->About Spam Sleuth->InstantX button.
Enter in your customer information, and VIP key, and press OK to submit your information over the Internet.
Your VIP Key looks like this: