While the exact contents of "kavt.rar" can vary depending on where you downloaded it, it generally contains:
: Instructions on load order and compatibility, as KAVT is sensitive to other appearance mods. 💡 Quick Tips for Use
If you're having trouble getting textures to show up, are you using the version or the Non-Virtual Port ? KAVT - User Manual - BG3 Modding Community Wiki
: It often requires the BG3 Script Extender to function properly, especially if you are using Patch 6 or earlier.