By using the VMware Host Client, you can assign an existing or new license key to an ESXi host.
Verify that you have theprivilege.
- Click Manage in the VMware Host Client inventory and click Licensing.
- Click Assign license, enter a license key in the form XXXXX-XXXXX-XXXXX-XXXXX-XXXXX, and click Check license.
- Click Assign license to save your changes.