The January Patch Tuesday updates for Windows refresh the expiring certificates for Secure Boot, which protects your computer against bootkit malware.

As this update is mandatory, it will automatically install and prompt you to restart your device when it is complete. After installing this update, Windows 10 will be updated to build 19045.6691, and ...

TL;DR: Microsoft's Windows 11 is evolving into an AI-powered "Agentic OS," featuring background AI Agents with separate accounts that perform tasks via natural language. While enhancing productivity, ...

Microsoft has been adding AI features to Windows 11 for years, but things have recently entered a new phase, with both generative and so-called “agentic” AI features working their way deeper into the ...

Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, where he specialized in writing. Jake has been helping people with their technology professionally since ...

Thieves broke in through a second-floor window, but the museum has had other problems with unsecured Windows too, according to a decade-old cybersecurity audit report that has now come to light. The ...

Windows users are, understandably, given the size of the operating system market share, a prime target for attackers of all kinds, from nation-state espionage actors to hackers and scammers. Windows ...

CONSUMER INVESTIGATOR BRIAN ROCHE EXPLAINS. AS WE’VE TOLD YOU BEFORE, MICROSOFT ENDED ALL SUPPORT AND TECHNICAL UPDATES FOR WINDOWS 10 ON WEDNESDAY, OCTOBER 15TH. THAT MEANS NO SOFTWARE UPDATES, ...

Are you still using Windows 10 on your desktop or laptop? If so, you need to know this: As of October 14, Microsoft moved the software to its "end of life" phase. What that means is that while Windows ...

October 15, 2025: Changed the headline and some of the copy to note that the one-year extended security updates can be opted into for free if you are logged into a Microsoft account and have your ...

Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, where he specialized in writing. Jake has been helping people with their technology professionally since ...