Slowly but surely, all of our questions are being answered regarding Microsoft's latest endeavor to get Windows 10 running on ARM processors. First announced in December 2016, the company surprised everyone by partnering with Qualcomm in an effort to get Win32 apps running on ARM chips. A year later, the first devices to use the Snapdragon 835 chipset were announced, but those won't come to market until this spring.
In other words, very few people have actually used one of these devices, so we're still relying on Microsoft and OEMs to tell us what to expect. This week though, Microsoft published some documentation regarding Windows 10 on ARM, and it described the limitations of the new platform.
Just in case you don't remember Windows RT, that was the company's last attempt at Windows on ARM. Based on Windows 8, users could only use apps built for the Store. Windows 10 on ARM is quite different. These devices ship with Windows 10 S, so they still run apps from the Store, although the Windows 10 Store now takes Win32 apps that are packaged for it, and there's also a free upgrade path to Windows 10 Pro.