A Windows operating system will generally be able to run software written for its immediate predecessor. Windows 7 could use Windows Vista programs for example.

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.

Use Scalable Windows: vDos allows you to run DOS applications in scalable windows with crisp TTF fonts, enhancing readability and usability.

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.

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