Microsoft’s Windows 11 Enterprise Evaluation edition is a powerful tool for IT professionals. It offers a complete, unrestricted 90-day window to test application compatibility, Group Policy behaviors, and security features like Credential Guard and Hypervisor-Protected Code Integrity (HVCI) without purchasing a license upfront.

slmgr /ipk NPPR9-FWDCX-D2C8J-H872K-2YT43 Note: This is the Generic Volume License Key (GVLK) for Windows 11 Enterprise. It does not activate Windows; it just changes the edition type.

slmgr /dli You will see: Windows(R), EnterpriseEvaluation edition .

However, there is a common misconception that the Evaluation edition can simply be "upgraded" or "activated" with a retail key when the trial ends.

| Feature | Windows 11 Enterprise Evaluation | | :--- | :--- | | | Windows 11 Enterprise (full features) | | License Type | Time-limited trial (90 days) | | Activation | Pre-activated via KMS client key | | Upgrade Path | Cannot upgrade directly to Retail/Volume | | Editions you can convert to | None directly. Must reinstall or use offline conversion. | | Supported Conversion Method | Changing the product key to a GVLK for Volume Licensing, then activating via KMS/MAK. |