On: Microsoft introduces Windows 10 X for dual-screen ...

[throwaway8941]

They have already tried this one. It didn't end well.

[oliveshell → throwaway8941]

Exactly; they got that out of their system with Windows RT. (And apparently the upcoming Windows 10 for ARM will ship with Win32 support via emulation.)

[mrpippy → oliveshell]

Windows 10 on ARM has been shipping for over a year, and it has an x86 (but not x86-64) emulator.

https://docs.microsoft.com/en-us/windows/arm/

[oliveshell → mrpippy]

Oops, thanks— clearly I’ve not been following things too closely!

(I think I wrongly assumed it wasn’t out yet since I hadn’t heard of a new ARM-based Surface release.)

[dspillett → oliveshell]

Win32 is an OS API, which doesn't necessarily relate to the CPU or other chipset members. Do you mean it will Win10 for ARM will support code targetted at ia32/amd64 CPUs via emulation?

[SomeOldThrow → throwaway8941]

What’s the killer app for win32?

[stagger87 → SomeOldThrow]

In the event you are not joking, there are entire industries running on Win32. My industry alone (EDA) is a 100B dollar industry. I'm aware of many others.

[dspillett → SomeOldThrow]

There is a lot of Win32 using code out there.

It may even be the case that MS's long-lived flagship products (Office, VS) are not completely free of it.

[Narishma → SomeOldThrow]

Everything that makes Windows worth using.

[SomeOldThrow → Narishma]

Fwiw my question was not intended to be facetious and it may not be obvious what makes Windows worth using.

[peteri → SomeOldThrow]

VBA macros in Excel is my standard answer.

[Kye → SomeOldThrow]

The installers for 64 bit applications.