You will need the and Model Editor . These are often included in the game's directory or can be downloaded from Frictional Games .
Launch the game and select "Custom Stories" from the main menu. 2. Creating Your Own Content If you want to generate/create your own custom story: File: Amnesia.The.Dark.Descent.v1.41b.zip ...
For Steam, it’s usually C:\Program Files\Steam\steamapps\common\Amnesia The Dark Descent . You will need the and Model Editor
Open the custom_stories folder. Extract your .zip file into a new subfolder here. install a specific patch
It seems you might be looking for information about version 1.41b . While "generate piece" is a bit ambiguous, it could mean you're trying to download the game, install a specific patch, or even generate a custom story for this version .