All Files Updating a Brush Preset If you want to modify the settings of an existing custom preset, you can do so by adjusting the parameters in the Tool Properties view, then updating your preset with your brush current's parameters. How to update a brush preset In the Tools toolbar, select the Brush tool or press Alt + B. In the Tool Properties view, select the Brush Preset you wish to update. Click on the Arrow button to open the Brush Properties view. Configure your brush to be exactly how you wish to use it in the future—see Creating a Brush. Click on the Update Brush Preset button in the upper-right corner of the Brush Properties dialog.