Right-click on the username of the person you want to prevent from changing their own password, and choose Properties from the context menu that opens...
Step 1 Right-click on the Windows 8.1 taskbar, then choose Properties. Step 2 Click on the Navigation tab, then under the Start screen section, check ...
Sign-in with your Microsoft account In the Display name section, click on the Edit button Change your account name, click on Save, and close your brow...