Windows 10 support officially ends today - and millions of PCs fall off the 'security cliff'

Hundreds of millions of PCs are still running Windows 10, and even with extended security updates, the population of unpatched PCs will spike over the next few years. How bad can it get?

Can't upgrade your Windows 10 PC? Support has ended, so you need to act now

Microsoft has officially ended support for its most popular OS ever. Here's what to do with your Windows 10 PCs that fail Microsoft's Windows 11 compatibility tests.