http://docs.moodle.org/en/Installing_APC_in_Windows#Download_the_correct_version
http://stackoverflow.com/questions/694910/apc-for-windows-alternative-download
http://downloads.php.net/pierre/ <– this is a link to the actual download
http://elementdesignllc.com/2009/08/php-apc-for-windows-download/ <– this has another copy
copy the php_apc.dll into c:/php/ext
add the following to php.ini
[PHP_APC]
extension = php_apc.dll
Fijiaaron 