Paradox for MS-DOS in Windows 7

Can I use MS-DOS applications, like Paradox 4.0, on a Windows 7-based computer?  We're using a proprietary Paradox application on a 10-node Windows network.  Is there a compelling reason to upgrade all of our workstations from XP to Version 7?  Thank you.
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Windows 7 has an XP Mode that can be downloaded and used as a Virtual PC for older apps that ran in XP.

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Can't answer the Paradox question... but I have a 450 node network almost all running XP and we're not planning on upgrading anything at this time. It will come to a point when I will start rolling out Windows 7 machines, but we'll probably have XP in our environment for years to come.  So, no, not sure there is any compelling reason to upgrade.   At some point MS will stop supporting XP and there won't be any more security patches, but heck.. I still have a few Windows 2000 machines around. :)
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Microsoft DOS

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