The first big Windows 11 update of 2026 is landing as more than a routine security patch, bringing a wave of fixes that touch everything from battery life on cutting edge laptops to long standing networking quirks.

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.

Struggling with outdated drivers in Windows 11? Discover simple, effective ways to update all drivers at once. Boost performance, fix bugs, and keep your PC running smoothly with this step-by-step guide.

Microsoft has released emergency out-of-band updates on both Windows 11 and Windows 10 for manual downloading. They fix shutdown and remote desktop bugs.

Microsoft confirmed that the KB5074109 January Windows 11 security update causes the classic Outlook desktop client to freeze and hang for users with POP email accounts.

Windows 11 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to broken features.