The file typically refers to a compressed version of the original 2003 PC port of Halo: Combat Evolved or its community-driven expansion, Halo: Custom Edition . File Overview & Purpose
: A popular mod often included or recommended to fix high frame rate issues, such as jerky animations at >30 FPS. File: Halo Combat Evolved.zip ...
For the version found in typical .zip archives (not the Master Chief Collection), the official minimum requirements are extremely low by today's standards: : 733 MHz DirectX : 9.0 or later The file typically refers to a compressed version