How to reactivate if a license has stopped working?

TUTORIAL ON HOW TO UPDATE LICENSE

1. Log in to your account at the UNDET license management portal.

   License management portal: https://activation.undet.com/

   Login details are provided after the license is purchased. Select “Manage your licenses”.

2. Select “Manage your licenses”.
   
3. Select the license you are using to update*.
   * Please note. SITE & MID codes will not match codes in the UNDET License manager.
   
4. Insert new SITE & MID codes from UNDET License Manager**.
   * Please note. A removal code is not needed to update the license.
   **Where and how can I find a UNDET license manager with SITE & MID codes? Undet for Revit: https://www.undet.com/knowledge-base/where-can-i-find-site-and-mid-codes-in-revit/
5. Click on the generated activation code, and in the pop-up window, select it*.
   * A triple right mouse click can be used to select full code instantly.
   
6. Insert the copied code in UNDET License Manager, select Unlock application, and press Continue >>.