A license key is generated through the DevExpress customer portal. It is tied to your account and specifically to the "DevExtreme" or "Universal" subscription you have purchased.
Use environment variables (e.g., DEVEXTREME_KEY ) to generate the license file dynamically during build, or utilize npm postinstall scripts. devextreme license key
You’ll use a .licx file (legacy, but still common): A license key is generated through the DevExpress