In Blender, navigate to File > Preferences > Addons > Install From Zip File, then select the zip file for the RE Mesh Wrapper. Make sure the box next to the addon is checked, then set the Noesis.exe ...

Around 1% of your Orens will also carry over from the save file, so that you start with those extra funds in addition to the 150 orens typically available to you once you start playing The Witcher 2.