What is the price for WP Fastest Premium?

To create thread about the premium is forbidden here. Please contact us via email: https://www.wpfastestcache.com/contact-us/

I visited plugin website https://www.wpfastestcache.com but not find price either. Add price to your website would be great. I think it not forbidden, right?

Thanks.

For pro or commercial product support please contact the author directly on their site as indicated.

As the author is aware, commercial products are not supported in these forums. As you are their customer I am sure they will have no problem supporting you there.