Just to make completely sure I am going to do this correctly...
I have full versions of a-10, and bs2. I need to completely uninstall those older versions. I also need to delete any save games/config.
THEN, I need to download and install world 1.2.0. THEN, I need to install (only) the bs2, and a-10 modules for world, correct? I do not need to also install bs2 and a-10 standalone 1.2.0 versions? stand alone versions of these products are now considered obsolete, and should be uninstalled, and the only thing we are looking at is World, and the associated modules for our previously purchased products.