There are some old DOS applications that you just can't afford to lose (or games you still like), and Windows 10 lets you keep them. Here's how.

Your DOS software will load within the vDos window, ready for use. Using Commands: Familiarize yourself with basic DOS commands such as dir, cd, and copy to manage files and navigate directories ...

Some DOS programs will not work in any current version of Windows. Generally, these are utilities that work close to the hardware, such as defraggers and diagnostic tools.