A standard Skyrim install requires about 12GB of space and a mid-range PC. A high-end repack can require 150GB+ of SSD space and a very powerful graphics card (GPU). Many "Next-Gen" repacks specifically require an NVIDIA card and will not function correctly on AMD cards due to the specific ENB presets used.
The most ambitious category. These often remove the vanilla "main quest" focus entirely, replacing it with new narrative frameworks or integrating massive expansion-sized mods like Falskaar or Wyrmstooth . Some are built specifically for roleplaying servers or specific playstyles (e.g., a horror-focused list or a pure mage-focused list). skyrim repack