installing older versions of labview after newer versions.

[LoKey]

I Just installed LV 8.5 (dev suite) on clean machine.
Notice that 8.5 will not read LV 5.0 VIs.
I Would therefore like to install LV 7.0 (dev suite) (over the 8.5 installation).
Any known issues?

[Dennis_Knutson]

The only problems you might have is if the older apps required one of the add-on toolkits. There were very few toolkits for 5.0 so I doubt that would be much of an issue. You should not install any of the hardware drivers that come with your 7.0 distribution.

[parthabe]

Moreover, you may encounter problems with the run-time engine when you build the EXE of LV7.0 code & try to run it in the same PC. It may/will say that the application requires an old run-time engine to be installed to get it running.

Always it is better to install from an older version to a latest version.