1. Here's how

1.1: If you own a Subscription License Key purchased directly from our website, you can add additional Seats to your License Key directly in your Lumion Account. 

Lumion Account

1.2: You can buy additional Seats for a License Key from your local reseller if you purchased through them:

• Lumion Website: Find a reseller page

 See Also:

• Knowledge Base:  What options does my Lumion Account offer?