The Ark Widget has been tested to run on Joomla! 3.4+ and has the same requirements.

 Server requirements:

• PHP 5.3 or up
• MySQL 5 or up
• Joomla!  3.4+

For more documentation on Joomla’s hosting requirements, please see below:

• http://docs.joomla.org/Security_and_Performance_FAQs#What_are_the_recommended_file_and_directory_permissions.3F
• http://docs.joomla.org/Security_Checklist_2_-_Hosting_and_Server_Setup#Avoid_sloppy_server_configurations

Browser support:

• Internet Explorer: 9.0, 10, 11 and Edge
• Firefox: latest stable release
• Chrome: latest stable release
• Safari: latest stable release
• Opera: latest stable release

Mobile Environments:

• Compatible with iOS 6+ (iPhone and iPad)