GOG.com (Good Old Games) is the only storefront that allows you to roll back to any previous version of a game.
Gameplay and design
To understand 1.4.3.2, you have to look at the timeline: Hollow Knight Download 1.4.3.2
Have you successfully installed version 1.4.3.2? Let us know in the comments below! Hollow Knight Download 1.4.3.2