The Cumulus InDesign Client is a plug-in for Adobe InDesign. It works with Adobe InDesign 2020, InDesign CC 2019 and InDesign CC 2018 and requires one of the following operating systems:
• Windows 10, Windows 8 (latest patches recommended in each case),
• macOS 10.15, 10.14, 10.13, 10.12 (latest patches recommended in each case)