Download & Installation
macOS
This installer installs both Flatten Pro and MultiFill and works with any version of Photoshop CC or newer including Photoshop 2021. The installer copies the plug-ins to each Photoshop plug-ins folder it can find.
The installer is compatible with macOS Sierra and newer. The plug-ins are universal and optimised for Apple Silicon.
Windows
Photoshop 2020, 2021 and newer
These are 64-bit plug-ins to use with the newest version of Photoshop. The plugins are installed into
C:\Program Files\Common Files\Adobe\Plug-Ins\CC
Photoshop CS6 and newer 64 bit
These plug-ins are compatible with all versions of Photoshop since CS6, including Photoshop CC 2021.
Photoshop CS6 and newer 32 bit
These plug-ins are compatible with Photoshop CC and newer versions of Photoshop.
Installing the plug-ins from zip files
Extract the plug-ins from their archives. Then find your Photoshop on your computer. It is normally in a directory like C:\Program Files\Adobe\Photoshop CC 2019. And copy the plug-ins to the "Plug-ins" folder.
The plug-ins are in .zip archives, please extract them using the Windows Explorer. There is an option to extract the zip file when you right click on the file.
Using an older version of Photoshop?
If you are using an older version of Photoshop, the download wizard can help you choose the right plug-ins for you. You answer a few questions and you will get a download-link to the plug-ins for you.