The file appears to be a specific part of a multi-volume texture pack, likely intended for use in video game modding (such as for Skyrim , Fallout , or Minecraft ) or 3D rendering software.
Instructions telling the mod manager where to move specific .dds (texture) files. ULTIMATE_4K_Textures_PT4(Install).zip
Short blurbs explaining what each texture set does. 2. The ReadMe / Instructions ( ReadMe.txt ) The file appears to be a specific part