Microsoft has started emailing Windows 10 users to remind them that support will end on October 14, 2025.After this date, Windows 10 devices will no longer receive updates or critical security patches, making them vulnerable to cyber threats.The email emphasizes upgrading to Windows 11 or buying a new PC, without much mention of the Extended Security Updates (ESU) program.Many users are facing limited options as older PCs aren't eligible for Windows 11, and they may not prefer the AI features of the new OS.