This is an Adobe Photoshop 2020 tutorial showing you how to install patterns by downloading the PAT file, loading the patterns and applying them. Click on an image to view the full-size version. Here are more Photoshop install tutorials for actions, brushes and fonts.
1. Download PAT File
Download the Photoshop patterns PAT file.
2. Load Patterns
Open Photoshop, in Layers panel, double-click your layer > check Pattern Overlay.
Click the drop-down arrow on Pattern: > click the gear icon.
Import Patterns… > select your PAT file > click Open.
3. Apply Pattern
Select your pattern (you can play with Blend Mode, Opacity, Angle and Scale) > click OK.