Microsoft now says: “In the interest of maintaining your security while you upgrade to Windows 11, we will continue providing security updates for Microsoft 365 on Windows 10 for a total of three years after Windows 10 end of support, ending on October 10, 2028.”
Hard to believe they’ll really pull the plug on supporting around a third of all Windows installs too, it’s at least 500 million devices! Even if they don’t officially back-down they would surely have to push out security patches to everyone if a major flaw is found.
…if you extrapolate those numbers to the worldwide population of Windows PCs, you can see the problem. Over the past eight months, about 1.6% of Windows 10 PCs have been replaced by Windows 11 PCs each month. At that pace, about 35% of those 1.4 billion devices will still be running Windows 10 when October 2025 rolls around… https://www.zdnet.com/article/microsoft-still-has-a-massive-windows-10-problem-and-theres-no-easy-way-out/