The video above shows how to do it or follow these steps: In

1. press Windows key + R and input the text "steam://open/console" into the popup.
2. input the text "download_depot 2667430 2667431 1368769308640417532"
3. go to your Steam file and follow the path "\Steam\steamapps\content\app_2667430\depot_2667431" In there you will find a Grimhook.exe file, running this file will give you the old version of the game