As your project grows, you may need to increase the connectable number of cameras for your HikCentral Professional. If the SYS to be updated cannot connect to the Internet, you can update the system in offline mode.

1. Log in to HikCentral Professional via the Web Client.
2. Click Update License in the License area and click Export the license request file.
   Figure 1. Export Request File
3. Enter the activation code of your additional License.
   Note:

   • If you have purchased more than one License, you can click and enter other activation codes.

   • Up to 110 Licenses are allowed in one system.

   • The activation code should contain 16 characters or 32 characters (except dashes).

   Figure 2. Export File
4. Click Export.
5. In the pop-up License Agreement window, check I accept the terms of the agreement and click OK.

   A request file named "ActivationRequestFile.bin" will be downloaded. Save the request file to the proper directory or the removable storage medium (e.g., USB flash disk).

6. Copy the request file to the PC that can connect to the Internet.
7. On the PC which can connect to the Internet, enter the following website: https://license.hikvision.com:8443/#/active.
8. Click and then select the request file downloaded in Step 5.
   Figure 3. Select Request File
9. Click Submit.

   A respond file named "ActivationResponseFile.bin" will be downloaded. Save the respond file to the proper directory or the removable storage medium (e.g., USB flash disk).

10. Copy the respond file to the proper directory of the PC that accesses HikCentral Professional via the Web Client.
11. In the License area, click Update License > Import the update file.
    Figure 4. Import Respond File
12. Click and select the respond file downloaded in Step 9.
13. Click Import.