Step 1: Click the “Menu” icon.

Step 2: Click “Setup”.

Step 3: Click “System”.

Step 4: Click “NVR Maintenance”.

Step 5: Click “Upgrade”.

Step 6: Click the check box.
Step 7: Click “Detect”.

Step 8: If you receive the message "The latest version of firmware is currently installed," your NVR is equipped with the most recent firmware. However, if you encounter a notification with details about a new firmware version, you should confidently click "Upgrade" to update your NVR. After the upgrade is complete, the NVR will reboot automatically.