Step #22 in the Expanded Vanilla list
Featured in Mod Lists:
Total Overhaul (#23), Graphics Overhaul (#11), Expanded Vanilla (#22), One Day Morrowind Modernization (#10), I Heart Vanilla: Director's Cut (#8)
Adds game data files required by mods such as Tamriel Rebuilt, Province Cyrodiil, and Skyrim Home of the Nords.
See the CFG Generator preset for the mod list you're following for an example of the correct BSA loadout.
There are two versions: one that contains HD textures and assets, and one that retains a more vanilla look for lower end systems (or folks who want that look).
PC_Data.bsa, TR_Data.bsa, Sky_Data.bsa