Okay - I have a VERY customized ruleset for my Star Wars campaign that I want to keep on version 1.05, but our D&D group wants to upgrade to 2.0.
How, exactly, do I go about installing 2.0 in parallel with 1.05 so I can still load up and use the 1.05 version for Star Wars, but play on 2.0 for D&D?
