Microsoft has announced a new preview build of Windows for ARM that includes support for x64 emulation. The updated release is now available to Windows Insiders in the Dev Channel, allowing them to run X64 apps on ARM devices, like the Surface Pro However, Microsoft still wants developers to write code that’s designed for ARM first, presumably because its emulation isn’t as performative as it could be.
Link: Microsoft Has x64 Emulation Running On Windows 10 ARM PCs
via http://www.iphonefirmware.com