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.

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.

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.

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.

You're signed in as an administrator, so why does Windows keep running your programs as if you were a standard user? Here's how to force any program (with one major exception) to run using your ...

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

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.

Run Program Compatibility Wizard if you find that your programs that ran in Windows 8/7, do not run or work on Windows 11/10 now. More suggestions here.