Ensure the Serial Number (SN) you are providing matches the hardware connected to the system. If you'd like, I can help you find: The official download link for your specific region. A user manual for setting up shifts and schedules.
: Continue using the software after a trial or official license has expired. Official Licensing vs. Repacks zktimenet 3313 license key repack
Check if your Windows Firewall is blocking the software from communicating with the license server. Ensure the Serial Number (SN) you are providing