1. You may:

a. Install and use a single registered copy of the Software on one hard
disk or other storage device for one personal computer, and you may access
and use the Software at that location so long as only one copy of the
Software is in operation..

b. Install and use a second copy of the Software for your exclusive use,
and as the primary user, on a backup or portable computer, so long as each
registered copy of the Software is used on only one computer at a time.
However, you may only install a second copy of the Software on a second
computer only if you are the main and primary user of this computer (e.g.,
a second home computer or laptop) and the Software installed on the second
computer is linked to your Stardock account.

 And do I need to do anything special ??