“Currently, it is not possible to add an SSL certificate to your site.”(wix.com)
wix.com
“Currently, it is not possible to add an SSL certificate to your site.”
https://www.wix.com/support/html5/article/request-adding-an-ssl-certificate-https-to-your-site
1 comments
WIX is not supporting SSL Certificate, thats the reason and there is no option to Add it.