Open the Start menu
Find the YouTube app or shortcut
Right-click the YouTube icon
Select Uninstall if available
Confirm the uninstall
If it is a browser shortcut, right-click the shortcut on the desktop
Select Delete
If it is pinned to the taskbar, right-click it
Select Unpin from taskbar
If it is pinned to Start, right-click it
Select Unpin from Start
Open Settings
Go to Apps
Go to Installed apps
Find YouTube
Select Uninstall
If YouTube is only in a browser, remove the bookmark or shortcut from the browser
Empty the Recycle Bin if needed