If you need to expand your user capacity or lost your original key, you must contact the vendor who sold you the hardware. They generate an activation file ( ) based on your software's unique UPK. 3. The 3.0 Series vs. Newer Versions
Navigate to the or Register section (usually found in the top-right menu or under 'Help'). zktime.net 3.3.1.3 license key
Right-click the ZKTime.net shortcut and select "Run as Administrator" before entering the key. If you need to expand your user capacity