[Sylver]

I am sure this had been asked/answered before but I could not find the answer. For my purpose, I will need to install two different versions of Calibre on the same machine, assuming I have two partitions, can I install one on one partition and install the other on the other partition so the two have their own libraries separate on two different hard disk partitions? How do I do this exactly, any step by step instructions? many thanks!