# Microsoft Releases Windows 11 Version 26H2 Update November 4, 2026 at 02:44 PM > Microsoft EVP Pavan Davuluri announces Windows 11 build 26300.9818, delivering significant speed gains and optimized memory management. **Microsoft** Executive Vice President **Pavan Davuluri** announced a significant **Windows 11** update, version 26H2, build 26300.9818. The company claims the OS is now 20 percent more responsive and up to 40 percent faster during intensive multitasking scenarios. The update optimizes memory usage by reducing the **Microsoft 365** commitment by 900MB. Widgets now load only upon user request, saving 200MB of RAM. Additionally, **Microsoft Edge** inactive tabs now sleep after 15 minutes, down from the previous 120 minutes. These performance gains were verified across 20,000 lab PCs, including 8GB RAM configurations. By reducing program RAM intensity and memory commitment, Microsoft aims to provide a smoother experience for users running modern productivity suites and apps. [#Windows11]() [#Microsoft]() #TechUpdate #SoftwarePerformance #Windows26H2 ## Related news ## [Open-Source Driver Renders Windows 11 Using NPU]() November 4, 2026 at 11:59 AM ## [Microsoft Unveils Four-Tier Windows AI PC Roadmap]() November 3, 2026 at 05:53 PM ## [Windows 11 Boots on Record-Breaking 128MB of RAM]() November 3, 2026 at 01:33 PM ## [Microsoft Unveils DirectX 12 Agility SDK Updates]() October 29, 2026 at 03:26 PM ## [Microsoft Updates Surface Laptop Ultra Firmware]() October 27, 2026 at 07:07 PM