Step 1: Go to start and click ‘Settings’.
Step 2: Click ‘System’.
Step 3: Click ‘About’ and click on ‘Rename this PC’.
Step 4: Give the name as per your wish and click ‘Next’.
Step 5: Click ‘Reboot now’ to apply the changes.
Step 6: Loin to the server and go to ‘Server manager’ and click ‘Local Server’ to see the changes.