Photoshop CC 2015-2020 users must install PSDCovers using the Anastasiy Installer (recommended by Adobe)
- Download Anastasiy Installer from anastasiy.com
- Install, then launch the Anastasiy Extension Manager
- From the Anastasiy app, click the Install menu (top left).
- Locate the PSDCovers CC zxp file in your Downloads folder.
- Click Open to start installation.
- Installation is complete, quit Anastasiy
- Launch Photoshop
- Find PSDCovers in the Photoshop Window > Extensions > PSDCovers menu
Visit Getting Started tutorial for additional help.