Step 1 Log into the switch via the CLI.
Step 2 Power cycle the switch.
Step 3 Once the switch reboots, you will see the D-Link logo displayed. This will be followed by a prompt stating: Autoboot in 2 seconds press RETURN or Esc. to abort and enter prom.
Step 4 Press Esc before the timer runs out.
Step 5 The Startup Menu will be displayed, press the number 7 for the License Menu.
Step 6 The License Menu will be displayed, press the number 1 to Add License.
Step 7 Type in the license, exactly as it was given to you and then press Enter.
Step 8 Your switch should now be upgraded to your new license.