"Part 10" specifically suggests this was likely part of a 10 to 20-gigabyte split, as modern high-speed internet has made the old 100MB splits of the early 2000s obsolete. 4. What's actually inside?

A filename formatted exactly like that—with periods between every word—is the signature of the or the repacking community.

: By splitting the game into smaller "parts" (rar files), uploaders ensured that if a download failed, you only lost one small piece instead of the whole game.

: You cannot use "Part 10" on its own. It contains a specific segment of the game's code—perhaps just the textures for a single Nazi stronghold in occupied France—and requires all the other parts to be present to "stitch" the game back together. 2. The Anatomy of a Deluxe Edition