METHOD ONE

1. Open this -> steam://open/console : this link should open the steam console.

2. Paste this into the console that appears and let it fully download: "download_depot 1063660 1063661 3546432597195121983" (it might take a while)

3. These files should appear in This PC > Windows (C: [or whatever drive]) > Program Files (x86) > Steam > SteamApps > content > app_1063660 > depot_1063661. Copy the contents of depot_1063661 and paste these files into wherever you have BATDR installed, for example: This PC > Windows (C:) > Steam > SteamApps > Common > Bendy and the Dark Revival. When it asks if you want to replace the files, confirm yes.

4. The game should now be downpatched. Whenever the game gets updated, you will have to download the newest update and then copy step 3 again.

METHOD TWO

1. Download the following .zip: https://drive.google.com/drive/folders/13Tpao9zwHNboxBpkxDnTNFFhcWwemrS8?usp=sharing

2. Extract the files.

3. Paste them into wherever your game is downloaded to, e.g. This PC > Windows (C:) > Program Files (x86) > Steam > SteamApps > Common > Bendy and the Dark Revival.