Unpack the contents of the archive to the path Baldurs Gate 3/Data and run Models_Reimport.bat, wait for the installation to complete.

Note: This is the first version of the mod, and according to the author, the mod will be updated. And everything that is not completed now will appear in the future. Well, this is good news for us; in most cases, mod support for a game begins with nudity, which means a start has been made.