How to upgrade and downgrade RsLogix 5000 firmware

[@arjunjayswal6347]

Thank you very much sir🙏

[@electricaluserstech.1989]

Hello Mr. thank you for your video, I have a studio 5000 V28.0 and I need to open V31 program to read only is it possible??

[@azael831]

So what do i do with the old project file. They are not compatible