Key _top_ — Horizon 8 License
If you want to move from Horizon Standard to Enterprise, you typically enter a new license key that represents the upgrade, or you add a license key file provided by VMware support to your portal. You do not "upgrade" the key inside the console; you replace it with the higher-tier key.
Verify that the "Desktop," "Application Remoting," and "Instant Clone" features show as . horizon 8 license key