SNACK: 3-line summary
- Microsoft has detailed Windows 11 changes aimed at reducing memory pressure and improving responsiveness on 8GB PCs.
- The company reports up to 20% better responsiveness, with up to 40% faster multitasking in a specific lab test.
- For the latest improvements, update to Windows 11 26H2 build 26300.9818 or later and keep Edge, Microsoft 365 and Teams current.
Microsoft says its Windows 11 memory changes help 8GB PCs stay responsive, with multitasking up to 40% faster in one lab test. Its official comparison follows a single laptop as apps and files pile up, leaving earlier work open throughout the sequence.
What Microsoft’s comparison measures
The test used an HP OmniBook 3 with 8GB of RAM and a Snapdragon X Plus 8-Core processor. Microsoft opened 20 Edge tabs, a 4K video, large Word, PowerPoint and Excel files, Outlook and File Explorer, comparing completion time with January 2026 software on the same machine.
The result applies to that sequence and configuration, not every task on every 8GB PC. Separately, Microsoft reports up to 20% faster responses for actions including opening Start, Search and File Explorer, based on telemetry comparisons with January 2026 software. Actual gains depend on the device and workload.
Snackgirls react
AIKO: I’d count how often an old tab needs to reload when I return. That would be an interesting way to see the compression changes at work.
Red: I’d try opening Start right in the middle of a busy session. No dramatic benchmark victory needed—just don’t make me wait.
Keeping more work in memory
Windows has retuned memory compression and the way it moves data between RAM and storage for 8GB systems. Microsoft says this can keep up to 2GB more active data in memory, making an app or tab less likely to need reloading when you return.
There are also changes to features sitting in the background. On PCs with 8GB of memory or less, Widgets now loads only when opened, reducing its memory commitment by roughly 200MB while closed. Edge’s default wait before putting inactive tabs to sleep has shortened from two hours to 15 minutes.
A separate Acer test found lower RAM use
Windows Central’s Cale Hunt tested a different machine: an Acer Swift Air 14 with an Intel Core 5 320 processor and 8GB of RAM. On that laptop, upgrading from Windows 11 25H2 to 26H2 reduced RAM use measured about ten minutes after boot from 5.3GB to 4.1GB, with no additional apps open.
Under a heavier workload involving 20 Edge tabs and apps including Word, Excel, Slack and GIMP, RAM use fell from 7.3GB to 6.8GB. The updated system still showed disk-usage spikes, especially when switching between apps and tabs, although Hunt described them as less severe than on 25H2.
Those results show lower memory use on the tested Acer, not a universal speed increase. Microsoft also says demanding work such as 3D modelling, advanced video editing and large-scale data processing benefits from 16GB of memory or more.
How to get the latest changes
Microsoft recommends Windows 11 version 26H2, build 26300.9818 or later. Open Settings, go to Windows Update, turn on Get the latest updates as soon as they’re available, then select Check for updates.
Keep Edge, Microsoft 365 and Teams updated too: some improvements arrive through app updates or the Microsoft Store rather than Windows alone. Rollout timing and availability can vary by device and region.
Sources and date: 2026-11-09
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