With RGH, you can have a – not as capable as PC, but far beyond vanilla Xbox 360. Just keep expectations realistic and always backup your saves.

The process differs slightly from PC, as you are essentially "injecting" files into the game directory.

You can use PC textures, but they should be optimized. High-resolution 2K or 4K textures will cause the console to crash (Out of Memory). Stick to 1K or 512p ESP/ESM Files: Many PC plugins work if they do not require the Skyrim Script Extender (SKSE)