Using a downloaded save file in Hollow Knight is a popular way to instantly unlock the "True Ending" (112% completion) or access the Godhome content (Pantheons) without replaying the entire game. This is often used by players who lost a save, want to practice boss rushes, or need to farm Essence.
: Press Win + R , type %USERPROFILE%\AppData\LocalLow\Team Cherry\Hollow Knight\ , and hit Enter.
To use a downloaded save, you must place it in the correct directory for your version of the game:
Copy the entire Hollow Knight folder to your desktop. If something goes wrong, you can paste it back.
: An alternative high-completion file recently updated. How to Install (Windows)