...
Form input: Enter the Hardware IDs of switches to be managed with AmpCon-DC and, select the expiration date.
File upload: Upload a .xlsx file with theHardware IDs of switches to be managed with AmpCon-DC and the expiration date.
...
Log in to the License Portal, and click Ampcon Licenses.
Locate the license that you want to edit, and click the edit icon in the Total hw-ids column.
Click the add device icon, and enter the Hardware ID, and select the expiration date of the new device that you want to manage.
...