copy your downloaded and extracted files to /xampp/htdocs/zen/

start your browser, go to http://localhost/phpmyadmin

make a database call it what ever you want.

then direct your browser to http://localhost/zen/

and follow the instructions for the automated install.


PS don't forget to turn on cURL by changing the php.ini in /xampp/php/php.ini, all you have to do is to delete the ; in front of the cURL extention.