3. Under the Administration section, click Licensing.
4. Click Manage vSphere Licenses.
5. Enter the License Key in the Enter new vSphere license keys field (one per line).
6. Include labels for new license keys as necessary.
7. Click Add License Keys.
After clicking Add License Keys, you can review the license keys you added, capacity counts, expiration dates, and labels associated with the license keys.
8. Click Next to assign the license keys.
Assigning License Keys
To assign licenses to the vCenter Server or the ESXi host:
1. Log in to the vSphere Client.
2. Click Home.
3. Under the Administration section, click Licensing.
4. Choose Evaluation Mode and expand the list. Find the product you want to license.
5. Right-click on the product and click Change License Key.
6. Assign a key from list that was entered previously on Manage License window.
