Microsoft has released the first Windows 10 update of 2026, an important security patch called update KB5073724. This update is available for users of Windows 10 21H2, Windows 10 Enterprise LTSC 2021,

Microsoft has issued its first Patch Tuesday security updates for Windows 11 in 2026, and this round includes some important fixes for battery life and networking.

Microsoft has released Windows 11 KB5074109 and KB5073455 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features.

Windows 11 Patch Tuesday updates for 24H2 and 25H2 reportedly break classic Outlook, causing freezes, hangs, and lost email drafts.

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 2016, beginning as a technical specialist at New York’s ...

Microsoft confirmed that a recent Windows update is blocking customers from accessing their Microsoft 365 Cloud PC sessions.