We discuss what you can do if you see the Unsupported 16-bit Application error on Windows 11/10 PC, after knowing why you see this message.

Windows 10 still uses WOW for running 32-bit applications on 64-bit versions of Windows -- not just redirecting DLL calls but also mapping or mirroring registry keys from their 64 to 32-bit ...

There's a few specific reasons why older games won't run automatically on Windows 10, even in compatibility mode: 64-bit Windows 10 no longer supports 16-bit applications.

Microsoft has announced the long-awaited ability to run emulated 64-bit applications in Windows on ARM. This new feature will allow applications to use more memory and thus gain better performance ...