If you are on a 32-bit system, the ability to run 16-bit apps is actually built-in (as the NTVDM subsystem), but it is turned off by default in many installations.
| Windows Version | Architecture | Native 16-bit Support | |----------------|--------------|------------------------| | Windows 10 32-bit | x86 | Yes (NTVDM enabled) | | Windows 10 64-bit | x64 | No | unsupported 16 bit application fix windows 10