The "PC" in the filename signifies that the file contains a compiled executable (likely through the ) rather than a standard .z64 rom patch. This makes it an "interesting piece" for fans because:

It is frequently linked to projects by prominent modders like Kaze Emanuar , who often release PC-executable versions of their hacks to allow users to play without needing a separate emulator or to utilize advanced features like higher frame rates and widescreen support.

The file is the PC-compatible distribution for a notable Super Mario 64 (SM64) rom hack or fan project . Key Details

It bypasses the limitations of the original Nintendo 64 hardware.