1. Start by installing perl http://strawberryperl.com/
2. Install App::Ack by typing (in a windows command shell)
3. C:>cpan App::Ack

Strawberry Perl is a perl environment for MS Windows containing all you need to run and develop perl applications. It is designed to be as close as possible to perl environment on UNIX systems.

A huge matrix comparing PHP, Perl, Python and Ruby

Script to run an OpenId server.

Highlights:

• Written in Perl
• Utilizes MySQL
• Written to run in Apache
• Supports multiple users
• Login and user pages are “templates” that are easily customized
• Implements every mandatory message exchange in OpenID 2.0
• Implements much of the OpenID 1.1 specification (“dumb” mode described in the 1.1 spec has not been tested)
• Supports deployments that use HTTP or HTTPS
• Password validation routine is separated from the login page to optionally allow one to use HTTP for identifiers, but HTTPS to actually validate the user password
• Supports both (HMAC|DH)-SHA1 and (HMAC|DH)-SHA256
• Entirely free open source with no licensing restrictions

Official urxvt Perl extension reference