1. Start TableNinja.
2. Go to the "Help" menu and Select "Purchase/Update".
3. Paste your purchase code into the text field and click the "Try Purchase Code" button.
4. You will be prompted to enter a name for your computer.
5. Choose a name that will allow you to identify that computer in the future and click "Confirm".
6. You will receive a message saying that the unlock was successful.
7. Close the popup -- TableNinja should now be unlocked and should say "Full Version" in the title bar.
8. If you receive an error please see our FAQ.

Your purchase code allows you to use TableNinja on up to two computers that you own at any given time. For details on deactivating old computers see our FAQ.