Nuacht

If you want to know if an installed software or program is 32-bit or 64-bit, then 1 of these 4 tricks will tell you if it is a 32-bit or 64-bit app.
Not sure if your installed version of Windows is 32-bit or 64-bit? One quick way to tell is by looking at information about your operating system installation in Control Panel.
TIP: On Windows 11, you can use this free tool called OTVDM to run 16-bit apps. It is available on github.com. Why can’t 64-bit run 16-bit? 64-bit cannot run 16-bit because it can only handle 32 ...
VirtualBox is flexible enough to handle many types of 32-bit and 64-bit configurations. If you need to run a 32-bit version of XP in a 64-bit host, you can do that without any problems.