Installation failed

I purchased Cornerstone. When use Wordpress plugin upload of the zip file, I get this message

Unpacking the package…

Installing the plugin…

The package could not be installed. No valid plugins were found.

Plugin installation failed.

Hi Charles,

Thanks for writing in!
If you have downloaded the cornerstone from Themeforest, it has some other files.
Please unzip it you will see the cornerstone folder over there and upload that folder only.
also, you can download the exact plugin from the apex hardboard

Please check the installation guide for help.


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