Click Add... , browse for your downloaded .key file, and upload it.
In the IMM web GUI, look under “License Status.” If it says “Premium” or “Advanced – No key required,” you are already fully unlocked.
IMM Premium Upgrade (often called IMM Advanced Upgrade), you unlock:
This upgrade expands the server's base management capabilities, enabling critical remote administration features. 🚀 Key Features Unlocked
Before seeking an activation key, it’s crucial to understand what you are enabling.