Microsoft Ships Windows 11 26H2, Extending Security Support to October 2027

Q: Why does Microsoft's massive Windows 11 memory upgrade leave 8GB PC owners completely in the dark?

Because the early RAM savings in Windows 11 26H2 appear to come from trimming cached overhead and scaling back memory Windows only uses when plenty is available. On 32GB and 48GB PCs, that can show up as a visible 1.5GB to 2GB drop. On an 8GB machine already sitting near 96% usage, there is far less reclaimable headroom, so the same optimizations barely register. That fits how Windows memory management usually works. Systems with more RAM allow the OS to keep more data cached, preload more components, and tolerate heavier background frameworks such as WebView2 and Chromium-based elements. When Microsoft reduces that overhead, high-memory PCs show the biggest before-and-after difference. Low-memory PCs are already constrained and often paging to disk, so they do not get the same dramatic “freed RAM” result. It also matters that 26H2 is mostly an enablement package for code already delivered through 24H2 and 25H2 monthly updates. In other words, this is not a full redesign that suddenly makes 8GB systems light and fast. Microsoft has said memory optimization for “8GB and above” is an ongoing effort through the end of 2026, including a more efficient memory allocator, WinUI 3 tuning, and lower overhead in Chromium and WebView2 components. So 8GB owners are not being ignored; they are waiting for a longer optimization campaign whose earliest visible gains are landing on higher-end machines first.

3 articles · Updated · PCMag · Oct 2

Windows 11 26H2 is now available for eligible PCs on versions 24H2 and 25H2, and installing it is required to keep receiving security updates after October 2027.
Rather than adding major new features, 26H2 turns on fixes and interface changes many machines missed under Microsoft's staggered rollout, including a movable taskbar and an option to remove Bing from Start menu search.
Microsoft says Windows Update may take weeks to offer the release automatically, though users can force it through Settings by enabling the latest updates option.
Snapdragon X2 devices on Windows 11 26H1 cannot move to 26H2 because they use a different Windows core, but Microsoft says they will get a path to a future release.
The update also removes the WMIC command-line utility after September's security changes, while recent 26H2 reports point to memory-use reductions of up to 2GB on some high-RAM systems.