An "Evaluation Copy" is a pre-release or trial version of Windows 11 intended for testing. For businesses, this typically refers to a available through the Microsoft Evaluation Center . When paired with the Insider Preview program, it allows organizations to:

Because these are pre-release builds, they typically feature a desktop watermark in the bottom-right corner identifying the specific build number and the "Evaluation copy" status. Key Features and Testing Benefits

Once installed, the desktop displays a persistent watermark in the lower-right corner:

: Users are encouraged to report bugs and suggest improvements via the Feedback Hub to shape future stable releases. Updating from an expiring Insider Preview build