This plugin is an addon to WunderAutomation and will require you to install that plugin first.
You can download WunderAutomation free from this page, but it’s also published on the WordPress plugin repository. So the easiest way to install WunderAutomation is via the plugins page on your WordPress dashboard.
We test our plugins on the latest major versions of WordPress and PHP, but we recommend all our users to always use the latest version of both WordPress, PHP and other dependant plugins. All our plugins has relevant version information available on the product page.