Open the installer file that you downloaded from the Adobe website.
Download and install RoboHelp on macOS
Learn how to download and install Adobe RoboHelp on macOS.
Before you install, always make sure that your system meets the minimum system requirements.
Download and install from Adobe.com
Download the latest build of Adobe RoboHelp and follow the set-up instructions below:
Navigate to Set-up.dmg inside the product folder.
Double-click Set-up.dmg file. The .dmg file mounts in two places: on your desktop and in the Finder sidebar under your hard drive. Clicking either one of these opens the .dmg file.
Navigate to the Adobe RoboHelp folder using the file browser and simply click on the Install.app file located inside the folder.
To install the Install.app file, drag it into your Applications folder and launch it.
Once the installer window opens, sign in with your Adobe ID and password if you are not already signed in.
Follow the installation prompts until the installation is complete.