If you like, you can install directly to DS.  I'm assuming you are using their defaults, so just point the installer to wherever you have "MyLibrary".  You need not uninstall anything in Poser, but you might remove that entry in DS for the Poser runtime for the time being.

 

However, keep in mind that many people successfully integrate poser runtimes into DS.  The picture I posted shows some of the runtimes that DS knows about.  Altogether I have 26 linked to DS.