It appears that Google has dropped its plan to allow Windows 10 to be installed alongside Chrome OS on Chromebooks. These plans, known internally as Project Campfire, would allow Chromebook owners to install Windows 10 so they can switch between Microsoft's operating system and Chrome OS, the default operating system made by Google. stocked with Chromebooks. This feature was often called Alt OS, referring to the ability to install another operating system. While this feature would have made Chromebooks even more versatile, an attentive Reddit member noted that a change in Chromium Gerrit suggested that the Alt OS feature would be outdated, meaning it wouldn't be changed or added to Chrome OS.
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Although Google has never officially announced this feature, many people will be disappointed with the removal of this feature. The ability to install Windows 10 would have made Chromebooks even more useful because it could run programs that aren't compatible with Google's limited Chrome OS software. However, it is not entirely surprising that this feature has been removed. One of the attractions of Chromebooks is that they are lightweight, affordable laptops with excellent battery life, which means they typically ship with low-power components. Chrome OS is designed to run on hardware of this type, but Windows 10 requires much more resources and therefore has to struggle. It is likely that on many Chromebooks, using Windows 10 would have been a slow and boring ordeal. However, Microsoft is working on Windows Lite, which is a version of its operating system designed for low-power devices. This would have been the ideal solution for Chromebooks, but with the Alt OS feature now dead, this may never happen. Via About Chromebooks