wyrwulf... nothing is written to the registry. It installs a set of textures to your poser textures library and a .pz3 into a directory within your Poser4 directory called 'DNA_Scenes' where the pz3 is stored. For your convenience it puts an icon on your desktop called RDNA_oriental_Room. You just double click on this icon and it will load poser complete with the Room all set up with lights and camera angle ready to plop your figures into. Of course you don't have to keep the scene as it is loaded. You can save all the individual parts to your props library to use in other scenes. We us a simillar installer as most Poser products. So don't be worried.... enjoy!