What steps should be taken to properly install the "php_apc.dll" extension on a Windows 2k8R2 Server with IIS 7 and Parallels Plesk Panel 11.0?

To properly install the "php_apc.dll" extension on a Windows 2k8R2 Server with IIS 7 and Parallels Plesk Panel 11.0, you will need to download the appropriate version of APC for your PHP installation. Then, you need to add the extension to your PHP configuration file and restart the web server to apply the changes.

extension=php_apc.dll