Vist the extension page on apple.com
Click “View in Mac App Store”
Click the “Get” , “install” and “open” when installation completed
A pop up window will show, click the “Quit and open Safari Extension Preferences..” Button.
In the Extensions tab check the box next to Robust Theme Extensions.
Click “Edit Websites”.
In the Websites window tab, select Allow for both App.Kajabi,com and nykajabi.com
Close the extensions window.
If not already installed, download and install a Robust theme on your Kajabi account.
In your Kajabi account, click “Customize” to open up the theme in the theme editor or Reload the page if you are already within it.
If you do not see the blue notification “Robust Theme Browser Extension is not installed..” than you have successfully installed the extension.
If you do see the “..extension is not installed..” notification Click here
Apple currently reports issues with the installation process of many Safari extensions under the latest OS update and they are currency working to resolve those issues.
If you still see the “..Extension is not installed..” notification, it means that the extension is not properly installed or some permissions are missing.
To resolve: Uninstall the extension by choosing Safari > Preferences, then click Extensions.
Select the Robust Theme Extension and click “Uninstall” -> “Show in Finder”
Send the Robust Theme Extension file to trash
Repeat the entire extension installation process as instructed above, making sure all steps are completed.
If you are still seeing the “..Extension is not installed..” notification: Try uninstalling and installing one more time, if it still doesn't work we recommend using Chrome for customizing your Robust theme.