Suddenly, the warehouse around me began to distort and glitch, like a video game freezing on a corrupted frame. I stumbled backward, feeling the world unraveling around me.

To successfully reassemble and install the game, you must follow these steps precisely: How to Extract .7z.001 files - Microsoft Q&A

For everyone else: Buy the game on sale, subscribe to PlayStation Plus, or borrow a physical disc. The "free" file you find online will cost you far more in sanity, security, and time than the $20 asking price of one of the most unique and visionary games of the last decade.