How to get rid of Windows 11 (and roll back to Windows 10)

So, you’ve installed Windows 11, kicked the proverbial tires and taken it for spin — and now you want to go back to tried and trusty Windows 10 until the new-OS dust settles. Can you uninstall it without having to reinstall your old operating system from scratch?The answer depends on how long ago you installed Windows 11 and how you did so.Let’s assume first that you didn’t use the Insider program to get Windows 11. (And you didn’t adjust your registry to manually