Problem

If you don't know what is the license key used on a machine with Monarch 

Cause

N/A

Solution

1. Open "License Manager".
2. Click "Configure License".
3. Choose "Deactivate Altair {formerly Datawatch} Monarch 15 64-bit using an Activation code".
4. Hit "Next" and on the next page, your license key/activation code should be available.

Related Information

Monarch License Manager

Deactivating Monarch Using License Manager

Activating Monarch Using Activation Code