And Microsoft's phased rollout of Windows 11 means you might not even be prompted to make the switch until next year. Microsoft has announced that Windows 10 support will end in 2025, so you still have a few years before you'll stop getting security patches. 5, meaning that Windows 10 is slowly on the way out. Windows 11 began its rollout to eligible devices on Oct. Do you have to upgrade from Windows 10 to Windows 11? Here's what to know.