32-bit window on 64-bit PC (win10)

[sidrey]

It is easy to run a DOS window/box under windows… but how do we run a 32-bit window/box on 64-bit PC?

 

[Colif]

You might be restricted by the BIOS in your PC. What motherboard do you have?

The UEFI (Unified Extensible Firmware Interface) that controls your motherboard is likely to be 64bit since it has to be for win 10 64 bit to install.

You can't install 32 bit windows on a 64 bit UEFI. Very few (if any) 64bit UEFI motherboards offer 32bit firmware anymore.

https://www.quora.com/How-can-you-install-32-bit-UEFI-Windows-on-64-bit-UEFI-Only-PC