Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.

Instructions given in the above provided link state that the latest patch is applied over any version 2. So you have to go through the steps Oleboy listed. The problem is that if you have bought Accu-Feel or a plane immediately it came to the market you are not provided with newer installers, so you just have to through those multiple phases installing A2A products.
