You can download the pack of brushes from the Sculpting brushes section in the resources page.
As I mentioned in the video here is a quick reference of how you can save the brushes in your computer to have them available in ZBrush at any point:
NOTE: The brushes have been created with ZBrush 2022.0.5 so you need this version of ZBrush or above.
Once you extract the 15 brushes files from the downloaded ZIP file, you have two options:
The main difference between the two options, is that with the first one (custom folder), you can save different set of brushes in their own folder within your custom folder. In my case I just called the custom folder ‘_MyBrushes’ in the image above but it could be anything you want. Then from ZBrush you can bring in the Lightbox and navigate to the folder with your brushes and simply double click them to load them into ZBrush for the duration of your sculpting session:
The other method also works, but the main difference is that because the brushes are saved within the ‘startup’ folder, ZBrush will load any brush you put in there every time that you start it. This can be a little problematic if you have lots of Brushes here as it will load them all up every time it starts.
Just for your reference, if you are still using ZBrush 2022.0.5 you can find the ZBrush folder under the Pixologic folder
If you have ZBrush 2023 or above, you can find the same folder structure within the Maxon ZBrush folder: