By Henry Burrell
Publication Date: 2026-02-16 06:30:00
Microsoft ended software support for Windows 10 in October 2025, bringing an end to the operating system launched in 2015. Although Windows 10 PCs will and do continue to function today, they are inherently more susceptible to bugs, glitches and online hacks as they no longer receive important monthly security fixes.
That’s one thing, but as spotted by Techradar Pro, Microsoft is rolling out an important, separate security update to Windows PCs, and it means Windows 10 users could be put at even further risk with outdated software.
Microsoft confirmed it is rolling out new Secure Boot certificates, as the previous certificates are about to expire after 15 years. Secure Boot is a Windows feature that ensures your computer boots up using trusted Microsoft software, and to ensure that any malicious software does not load at the same time.
Certificates issued in 2011 will begin to expire in June 2026, so Microsoft is starting to push out new ones to eligible PCs for free.
However, that…
