: This occurs if your license is already active on another machine. You must sign out of the other instance to free up a "seat". Important Safety Warning
Unlike earlier versions where you might enter a license key multiple times, Lumion 2023 uses a unified installer system: Activation Code Lumion 2023
. To get it, you must apply on the official website or contact a local partner. Once approved, you will receive an email containing your temporary License Key and Activation Code. Student Licenses : Eligible students can apply for a Lumion Student Pro : This occurs if your license is already