DAZ stopped using a "content" subdirectory in version 3 as I recall. The default now is "Mylibrary" if you stick a "content" sub-directory under "Mylibrary" it will cause all sorts of problems. There is also a lot of versatility in creating additional libraries, there is no reason to only stick to one. In fact, there are some good reasons for storing stuff separately you get from here from stuff you download from DAZ in a lot of cases. It also allows you to store content in more than one directory.