On Windows, the language setting can be changed in Preferences.Set the maximum number of undos/redos that can be performed.When active, this option will show all the pixel detail on canvas and when exported as an image.By default, Sketchbook Pro uses anti-aliasing to smooth the rendering of pixels that can produce jagged edges on curved or diagonal strokes.When Pen Mode is enabled, only the stylus input will draw on the canvas, but touch input will still interact with the interface.By default this option is OFF due to the number of touch-based devices that draw with a finger or capacitive stylus. This option is for devices or peripheral graphics tablets that support touch input for drawing.With either setting, the Quick Transform widget allows positioning an image before it is baked in place.When this option is disabled, imported and pasted images will be applied to the active layer. When importing an image from the Layer Editor or using copy/paste, the default setting will automatically create a new layer to place the image.The Preference window includes 6 tabs that group similar settings: On Windows, it is located in Menu > Edit > Preferences. On Mac, preferences can be accessed in Menu > Sketchbook Pro > Preferences. If you need to reset your preferences, check out the article Resetting preferences . To back up your preferences, read Backing up preferences.