Windows Security (formerly Windows Defender) is the built-in antivirus tool bundled with the operating system. It has saved me from malware countless times, and I never install anything else. But an ...

Looking ahead: The vast majority of Windows users already run Steam on 64-bit operating systems, even though the client has continued to support a legacy 32-bit version of Windows. That era is ending: ...

Valve has officially released a new Steam client December update that quietly changes how the app runs on Windows. Starting on December 19, Steam now operates as a 64-bit client on Windows 10 and ...

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Windows 10 update KB5068781 from November 11th, 2025 was the dream of all Windows 10 users. As the first ESU update, it’s meant to keep Windows 10 PCs protected from malware and hacker attacks even ...

Facepalm: Mainstream support for Windows 10 has officially ended, but users can still receive free security updates for one more year. However, some installations will now require a critical servicing ...

Microsoft has suddenly issued a just-in-time update for Windows 10 users hit by an awkward failure that has stopped “essential security updates” installing on their PCs. There was no warning this ...

October marks the final official Patch Tuesday for Windows 10. This month's update included a record 173 security fixes. All the new and improved features were reserved for Windows 11. Microsoft has ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

Before updating, please refer to the Windows release information status for known issues to confirm your device is not impacted. The Update Assistant can help you ...