Apache/Installation

Windows
The program can be installed alone from http://www.apache.org/dyn/closer.cgi.

However the best is generally to get it with an all-in-one solution like or, because it includes the installation or PHP and MySQL at the same time.

Apart from that, a portable all-in-one is.

Configuration
The service should be restarted manually after the most part of the configuration modifications:

Apache/Installation