This is package of models for people willing to create something in redkit. To use it you should unpack zip file and place the "imports" in C:\Users\user's name\AppData\Local\VirtualStore\Program Files (x86)\Wiedźmin 2\data. In order to do it you have to check the option see hidden files. Here is tutorial how to do it:
http://www.isunshare.com/windows-10/show-hidden-files-and-folders-in-windows-10.html
http://www.isunshare.com/windows-10/show-hidden-files-and-folders-in-windows-10.html