Licenses are "rented" for a set period (typically 1–5 years) rather than owned outright.
Historically, Horizon used licensing. Today, VMware (now part of Broadcom) has shifted towards Named User licensing or Subscription-based models.
Review your current VMware Horizon license key type. If it is perpetual and you are happy with your current version (e.g., Horizon 8 2406), back up the key now. You may not get a new one later.
However, navigating the world of VMware licensing is notoriously complex. Unlike a simple Windows activation key, a VMware Horizon license key determines which features you can use (e.g., App Volumes, DEM), which endpoints you can serve (standard vs. concurrent users), and your support lifecycle.
(formerly the VMware/Broadcom portal). You can find them under the Manage License Keys Installation: Log in to the Horizon Console Navigate to Product Licensing and Usage Edit License and enter the XXXXX-XXXXX-XXXXX-XXXXX-XXXXX Verification: