Poor Instructions for Deployment

I spent an entire day trying to get this to work. Frustration on so much time spent can be attributed to instructions that are not complete. PHP must be a prerequisite for using this plugin. I cannot do it and the support isn’t there because it seems that the degree of difficulty is so high with so many variables. Most other plugins work flawlessly, without effort but all of the plugins for form mail have obscenely difficult interfaces. This is one of them.

https://wordpress.org/plugins/contact-form-7/