Started here: http://drewish.com/writeups/windows_and_drupal

Found this: http://www.webdevelopersnotes.com/blog/mysql-windows-7-64bit-installatio...

Meaning on Windows 7 install the 64 bit version of MySQL.

Download:
http://httpd.apache.org/download.cgi
http://dev.mysql.com/downloads/mirror.php?id=390182 mysql-essential-5.1.48-winx64.msi
http://www.php.net/get/php-5.2.13-win32-installer.msi/from/a/mirror

Installing Apache: