On your hard drive, there should be a preinstalled "Now Software" folder that contains a folder titled "Now Up-to-Date & Contact 3.6". In that folder there is a Bundle installer. The installer will offer to install Now Up-to-Date and/or Now Contact.
1.Run the installer. At completion, it will ask you to restart.
2.After the restart, a registration window will pop up. The three options are: Already registered, Register Later, or Register Now.Select "Register Later" or "Already Registered".
3.Find either the Now Contact or Now Up-to-Date application on your Hard Drive. Open the application.
4.Go to the Apple Menu and select About Now (Contact or Up-to-Date).
5.The Serial Number is in the About window.
Machines Affected: All