vDos and DOXBox are free applications that lets you run old DOS Programs & DOS Games in Windows 11/10. This article shows how to use them in detail.

Some programs written for even older versions of Windows may work on Windows 10 without an issue. For other pieces of software, it may take some additional work to get it up and running.

Use the Compatibility Mode to run old Games and Software on Windows 11 and Windows 10. Make old programs and games work!

Some older software depends on old Windows libraries that are no longer included with Windows 10. Since Windows XP, all versions of Windows no longer run on top of DOS.

If you're beyond basic Windows 10 customization -- and comfortable working in the Registry or the Command Prompt -- you've probably noticed that you can't run programs as an administrator by default.

What Is Compatibility Mode? Compatibility mode is a Windows 11 feature that simulates older Windows versions for your programs. This allows you to run old software on your Windows 11 machine.