alcws79 Posted April 10, 2015 Share Posted April 10, 2015 I am currently running on PVsyst 5.74 and I have just purchased the upgrade license to PVsyst 6. Can i install and run both versions on license? or do i need to uninstall PVsyst 5 before registering my upgrade license on PVsyst 6? Link to comment Share on other sites More sharing options...
André Mermoud Posted April 10, 2015 Share Posted April 10, 2015 Nothing prevents you to run PVsyst V5 and PVsyst V6 in parallel on the same machine. Simply the data structures are not the same: you cannot use files created with the version 6 in the version 5 (but the inverse is possible: downwards compatibility). You can even run several Versions 6.xx simultaneously on the same machine. The installation process gives you the choice of "Parallel Install". However be careful: if you share the same data structure, some files created using a recent version may be in error with older ones. Link to comment Share on other sites More sharing options...
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