Entering your license key after installation The unregistered, evaluation version of GFI LANguard N.S.S. expires after 10 days and is feature-limited. For a list of restrictions that apply to the feature-limited version of GFI LANguard N.S.S., please visit: http://kbase.gfi.com/showarticle.asp?id=KBID003081. Screenshot 11 – General licensing node When you obtain the 30-day evaluation key or the purchased licensed key, you can enter your license key without re-installing or re-configuring the product. To achieve this: 1. Launch GFI LANguard N.S.S. management console 2. Click on Configuration (upper-left of the management console) 3. Select General > Licensing.