error plugins installed

I have purchased a theme from envato some of plugins don’t wanna to install and give the message bellow!

Warning: An unexpected error occurred. Something may be wrong with or this server’s configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to Please contact your server administrator.) in C:\wamp64\www\sitedemo\wp-admin\includes\plugin-install.php on line 182


Please check the theme documentation hopefully you will get necessary support.
Otherwise the best way to get the support is Contact your purchased theme Author. How to Contact Author and let them know. Don’t worry just contact Author. Author will be very happy to assist you.
Also you can check your theme Options if you find anything related to the issue.


I resolve the problem in installing one by one in the panel plug in!