You played Hollow Knight on Game Pass, but you bought it on Steam during a sale. Steam achievements don't transfer. A 112% save file lets you instantly access the end-game content on your new platform without replaying the first 10 hours.
Downloading a save file is easy, but installing it requires navigating your PC’s hidden folders. Do not be intimidated. Here is the guide for PC (Steam/GOG) . Hollow Knight 112 Save File Download
There are several legitimate reasons to seek out this file: You played Hollow Knight on Game Pass, but
You might be a purist who thinks downloading saves is "cheating." But there are several legitimate reasons to do so: Downloading a save file is easy, but installing
Inside the Hollow Knight folder, you will see files named user1.dat, user2.dat, user3.dat, and user4.dat. Copy these to your desktop before doing anything else.