If you activate a license on a new computer without first unlinking it you will not be able to transfer it back to the original computer. Skip ahead to "Activating the license on a new computer" if you do not expect to transfer the license back at any point in the future.
Unlinking the license
1. Select Show License Information from the Help menu on the computer that the license is currently active on
2. Select the active license
3. Click Unlink
Activating the license on a new computer
1. Select Show License Information from the Help menu
2. Select the desired license
3. Click Activate
Note: If you did not unlink this license from the previous computer it will be removed from that computer and replaced with a free Starter Edition license.