by version do you mean release? like 4.7 release and 4.8 release? please elaborate.

different types of company? you mean 'accounts with inventory' and 'accounts only' type companies? or what?

different names? having a different name should normally not be a problem.

can you please clarify my doubts so I can try to answer your questions better. thanks!

business activity involves many number of company to perform business process. and the limit doesn't exist to record transactions. it consumes the memory of computer and the computers used are "Super Computers"