How detailed you wanna go depends on your PC specs and the resolution goes all the way up to 4k. They will add much needed graphical fidelity and more detailed textures to nearly everything in the game. They take spot number 10 just because we feel like they should be the first thing you install in any Bethesda game, period. Starting off with mods that probably have the most impact on how your game will look. HIGH-RESOLUTION TEXTURE PACK – VALIUS & Real HD Face Textures