‘Security Disaster’—500 Million Microsoft Users Say No To Windows 11

‘Security Disaster’—500 Million Microsoft Users Say No To Windows 11

By Zak Doffman
Publication Date: 2025-12-01 06:40:00

Microsoft’s “looming security disaster” is worse than feared. A staggering billion Windows users are at risk as the sheer scale of the task to avoid a cybersecurity cliff edge is made clear. Not a cheerful holiday season message for anyone.

Last week I reported on Dell’s surprising message, when the leading PC maker told investors and analysts that one billion PCs are still running Windows 10. That’s twice the number we thought. 500 million of those are older devices that are not eligible for the upgrade. But another 500 million can run Windows 11 — but users have said no.

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