Before proceeding to the installation steps, you will first need to do the following:
- Open a Finder window and navigate to '/Applications/Adobe InDesign CC 20XX/Scripts/startup scripts'
- Right-click, or hold down the Control key and click, to open the shortcut menu and select 'Get Info'.
- Click on the 'lock' icon to unlock the settings.
- Scroll down to 'Sharing & Permissions', click on the privilege for 'everyone', and select 'Read & Write'.
- Close the Get Info and Finder windows and proceed with installation step 1.