>I just purchase vfp7.0 professional edition.
>
>I have vfp6.0 and i want to install vfp7 but still want to maintain some projects in vfp6.0.
>
>Will there be no conflicts in dll and installations and deployments when i maintain some project in vfp6.0 and others in project in vfp7.0
>

There're no conflicts between VFP6 and VFP7 as long as you install them into separate directories and they don't share the same foxuser.dbf.