On the OLD computer.
Launch the My Art Collection 3.0 on your old machine.
Go to File/ Save a Copy As and save a copy of the MyArt.fmp12 file to your desktop and save it as MyArt_TodaysDate.fmp12
Move the file from your OLD computer to your NEW computer.
Once on the NEW computer:
Install My Art Collection 3.0
Download the MyArt_TodaysDate.fmp12 to the new computer.
Launch My Art Collection 3.0
Go to File/Import from My Art Collection 3.0
Locate the the MyArt_TodaysDate.fmp12 on the new computer
The data will be imported.