Microsoft will end support for Microsoft 365 for Windows 10 this October, so you'll need to buy a new Windows 11 PC.

Case in point: A new support page says that Microsoft Office 365 will lose support on Windows 10 in October, the same time the OS is shelved. “Microsoft 365 apps will no longer be supported on Windows 10 after it reaches end of support on October 14, 2025,” says the page.

So, it’s possible the free Windows 11 upgrade may stick around for a while. According to Steam, about 55% of users have already migrated to Windows 11, but 42% remain on the old

If you're still running Windows 10 and you subscribe to Microsoft 365, your Microsoft 365 apps will cease to function on Oct. 14, 2025, according to an official Microsoft blog post. This will happen when Microsoft ends Windows 10 support,

What will that mean for 365, and what about enterprises who have the option to extend Windows 10 for more than just a year — at a steep cost? Microsoft’s most recent support document adds little helpful detail.

Microsoft is officially calling it quits on Windows 10 in 2025, and it's ending support for Office apps on the OS — but not entirely.