Skyrim HD - 2K Textures
Skyrim HD - 2K Textures is a mod in The Elder Scrolls V: Skyrim. It was created by NebuLa, and dramatically improves the HD textures in the game. The mod is first split into the normal version and the lite version, and from there is split into Towns, Dungeons, Misc. and Landscape.
Extract the package, and copy the "textures" folder into "skyrim/data".