Below we may get step-by-step screenshots,

Step 1 - Click on "Start" button.

Step 2 - Click on "Server Manager".

Step 3 - Click on "Add roles and features".

Step 4 - Click on "Start the Remove Roles and Features Wizard".

Step 5 - Click on "Next".

Step 6 - Click on "Next".

Step 7 - Locate "Hyper-V" and click the check box to remove tick mark.

Step 8 - Click on "Remove Features".

Step 9 - Confirm the Tick marks is removed and click on "Next".

Step 10 - Click on "Next".

Step 11 - Click on the check box "Restart the destination server automatically if required".

Step 12 - Click on "Yes".

Step 13 - Click on "Remove".

Step 14 - Wait for some time, system will restart.

Step 15 - After restart, wait for some time until Hyper-V role removal completes.

Step 16 - Click on "Close".