1) Don't forget to de-authorize the current computer. Otherwise, the Authorization will be lost and you may need it to Authorize the new computer.2) If you do not transfer your Client data from the current computer to the new computer it will be lost. The installation instructions explain how to copy your Client data to the new computer. Briefly, it's a matter of copying a few files from the current computer to a USB Thumb Drive and then copying them from the Thumb Drive to the new computer.