- Download Memcached on your computer
- Install Memcached service, then run it.
- Verify your PHP code is compiled with Memcached. If not, you’ll need to recompile or download a pre-compiled version of PHP.
- Load the memcached extension from within PHP, and restart your web server.
- Memcached should now be functioning.
See this URL for further details: http://pureform.wordpress.com/2008/01/10/installing-memcache-on-windows-for-php/