install or build memcached

http://www.splinedancer.com/memcached-win32/

can download windows binary from here

install on windows and test
http://pureform.wordpress.com/2008/01/10/installing-memcache-on-windows-for-php/
http://www.codeforest.net/how-to-install-memcached-on-windows-machine http://linux0911.no-ip.info/my_style/doc/apache2_mod_memcached/