Daz studio doesn't touch Poser in any way. It will install some of the same figures (Like Vickie) but in an entirely different folder. No problems with them coexisting :)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.