Question: how to import brush presets into lightroom?
Answer: Open Lightroom and click Lightroom > Preferences.
Navigate to the 'Presets' tab.
Click the button 'Show Lightroom Presets Folder…' to open your folders/files. ... 
Open a second window of your folders and navigate to the Lightroom Brushes you would like to add into your Local Adjustment Presets folder. ... 
Copy the .