Looking for and trying out texture mods is the worst part of modding Skyrim in my experience, the file sizes are large as hell and most texture mods unironically look like garbage even with the higher resolutions because they don't usually have a cohesive aesthetic with the rest of the textures or game. And 4k parallax textures will kill your performance if you don't have a top notch GPU and CPU. I've had to go back to find some 2k LE texture mods from like 2015 to get a look I really like.