Support for DOS apps and legacy XP apps

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SecurITGuy

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May 14, 2009
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As I've understood it, ever since the release of Windows 7, there has been no way to support programs written to run in a DOS session from within Windows, even by using XP Mode or by running a Virtual Machine with Windows XP.

Is this still true, or have there been any methods or products developed to overcome this?

I ask because I have a client with several versions of custom software developed with DOS and early windows versions of Clarion. They have been successful in migrating from 95/98 to XP and even to Vista.

If I'm not mistaken, Vista and Windows 7 share much of the same core, so I've never been clear on what caused the break in support for DOS & legacy XP apps.

The procedures using these DOS routines and proprietary apps (developed in Clarion for Windows) are quite linear and wouldn't require a full-fledged Desktop OS with multi-taking. The user would have access to another system for desktop apps, e.g. FTP, Email etc., so I was wondering if WES7 or Windows 10 IoT might be close enough to a real-time OS that such a dedicated system might support these older programs.

Any ideas? Either enabling the old stuff to run somehow on Windows 10 Desktop via VM or other method, or by the use of an embedded version of Windows 7 or 10 (IoT in the case of 10)?

Until now, we've been getting by with the POS Ready registry hack for XP (only useful until 2019) or on plain Vista, which lost support last month. I'm hoping there's a more secure and (semi) permanent solution.
 
Joined
Nov 6, 2003
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732
DOS Box maybe a solution. However, I'm running Free Dos under Hyper-V. Works good along with Win XP. Haven't tried Win98, but it maybe possible.
 
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