You can download the zip file to your PC/Mac and extract (unzip) the contained files to Dropbox or any cloud storage. Then you can open it in Procreate on your iPad.

1. Download the brushes to your computer.
2. Open the .zip file and extract/save the brush files to a cloud service like Dropbox, iCloud, Google Drive, Adobe Creative Cloud, or similar.
3. Start Procreate on your iPad/iPhone and open the brushes menu.
4. Tap the “+” in the top right corner.
5. Choose “Import from…”
6. Touch “Locations” and choose where you saved your brushes
7. Select the brush you want to import.

[Procreate 4 Update] Simply Drag & Drop Brushes

With the new iOS 11 file manager and Procreate 4 you can now simply drag & drop brushes and swatches to import them:

Batch import multiple brushes & swatches using AirDrop

If you have a Mac with AirDrop, this is another easy way to import multiple brushes and complete sets at once:

At the end of this step-by-step tutorial, you’ll also find some tips to activate AirDrop on older Macs plus a workaround for using an iPhone + iPad to import the brushes.

Direct download: Unzip & install brushes on iPad using a FileBrowser app

For downloading the zip file directly to your iPad/iPhone I recommend using the FileBrowser app (or other free apps like Documents 6 or iZip that work in a similar way). To show you the process I uploaded a quick video tutorial:

See also: 

• Do I get free updates for MegaPack, Paint Brush Bundle & other sets?
  
• Trouble downloading your brushes?