Microsoft elaborates: “Windows 11 is the most current version of Windows. If you have an older PC, we recommend you move to Windows 11 by buying a new PC. Hardware and software have improved a lot, and today’s computers are faster, more powerful, and more secure.”

If you’re on a very old version of Windows, you may be able to update to Windows 10 instead and enjoy the final 12 months of official support. Microsoft goes on to recommend using its cloud storage subscription-based service OneDrive to migrate your data to a new computer.

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If you're currently using any version of Windows other than Windows 11, then your system is either already unsupported (Windows XP, Vista, 7, 8.1), or soon to become unsupported (Windows 10). And Microsoft's best advice for anyone in that situation is "move to Windows 11 by buying a new PC".