While Windows 10 is designed for a range of hardware, more modern, powerful PCs will benefit from reliability improvements in the new Windows 10 Insider build 14942released Friday.

The new Insider build for the Fast ring includes a laundry list of tweaks and new changes, but the most important are some under-the-hood improvements that Microsoft promises will help improve the reliability of PCs with over 3.5GB of memory. Microsoft’s other updates include an extension of the Active Hours period, improving the touchpad, and an update to the Photos app.

The only drawback, Microsoft warned, is if you use the new build to play games that depend on Xbox Live. Sign-ins may fail, and to fix it, you’ll need to edit the PC’s registry file, a task that should be accomplished by experienced PC users only.

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