You likely tried to extract part02 or part03 first. Only start with part01 .

Move HD-Texture-Pack.part01.rar , HD-Texture-Pack.part02.rar , etc., into a single folder on your desktop or downloads folder. Step 3: Extract the Files Right-click only on . Select "Extract Here" (using WinRAR or 7-Zip).

Copying the extracted files into the game's data or textures folder.

Follow the specific instructions provided by the mod creator. This usually involves: