Some O/S betas place 'For Testing Purposes Only' at the bottom right of the desktop.

You may wish to remove this text string for your documentation screen shots.

To remove 'For Testing Purposes Only':

1. Start / Run / Certmgr.msc / OK.

2. Navigate through Trusted Root Certification Authority / Certificates to Microsoft Test Root Authority.

3. Remove the Microsoft Test Root Authority entry.

4. Shutdown and restart your computer.