Hi Marco, yes you can install MoI with the same one license key on any number of machines you own (including across Windows and Mac operating systems), just as long as it's only actively launched and running on one of those installs at any one given moment.

You don't need to do anything special to set up the multiple installs, just use the same installer and same license key on each one. If you need to get a new download of the installer or have your license key looked up, there is a web page here where you can do that: http://moi3d.com/reinstall.htm .

MoI is not "node locked" meaning it doesn't bind a license to a hardware signature and so it doesn't need any special process when moving to a new machine. The one check that it does have is when it is launched it checks the local area network to see if any machines on the same network are actively running this same license, so you can't have 2 different people running the same one license at the same time.

So you would only need to order a new copy of MoI on your new machine if you planned to have someone else running it on the other machine at the same time as you. If you're only going to be running it on one machine at a time you don't need to order any new license for that, just use your same existing license key on the new machine.

- Michael