The number of APs that the AC can manage needs to be increased through the license mechanism. How to apply for and add a license?

The number of APs that the AC can manage needs to be increased through the license mechanism. How to apply for and add a license?  

If the number of APs managed by the AC by default cannot meet the requirements, you can add a license. Record The license key purchased from the H3C. Then use the command:

    display device serial-number

to view the device serial number (device_serial_number) and check code (check_sum) on the device. Send the license key, device serial number, and check code together to license_wireless@h3c.com, we The activation key (activation-key) will be sent to your mailbox within two working days. After receiving the activation code, use the command:

    license append license-key activation-key 

to add it on the device.