From: http://radio.weblogs.com/0117767/2005/01/


VFP9 co-existing with earlier development versions

Ken Levy responded to my earlier post with:
Based on the feedback from you and others in the VFP community after the release of VFP, I met with the Microsoft legal team who worked on the VFP 9.0 EULA and they allowed that section to be removed. So anyone can upgrade to VFP 9.0 and use "any" previous version on the same machine, no restrictions in the EULA on previous versions related to upgrading. You can blog my comment on that if you want so people know who don't have VFP 9.0 yet.



>IIRC Craig, there was such a big todo over this when they introduced that concept in VFP8, that they got rid of it in VFP9. With VFP9 I'm pretty sure you can continue to use VFP8. I don't have the stuff with me here, but I'm reasonably sure of it.
>
>>I don't think that is correct. If you purchase an upgrade, you are upgrading to a newer version and you can no longer user the old one. There was a lengthy discussion on this about the time Whil Hentzen and Microsoft got into a "disagreement" over using VFP in Linux.
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>>>Yes you are eligible for upgrade to VFP9. Yes you can continue to use VFP8 after installing VFP9.