...: File: Hollow.knight.v1.5.75.11827.zip

The version number "1.5.x" signifies a significant engine transition for the game:

The compressed download is approximately 3.1 GB . File: Hollow.Knight.v1.5.75.11827.zip ...

A .zip file of this name typically contains the full standalone game directory for the Windows platform. The version number "1

Fixed a bug that prevented language settings from saving correctly when changed while inside the game. Context: The v1.5 "Unity Update" File: Hollow.Knight.v1.5.75.11827.zip ...

This specific sub-version was a minor stability patch following the primary v1.5 release. It focused on two critical quality-of-life fixes: