typolight has been installed into:
%%WWWDIR%%
You will probably want to add an alias to your httpd.conf file,
somethinglike this:
Alias /typolight "%%WWWDIR%%"
And restart Apache.
Open the following page in your browser and follow the instructions:
http://www.your.host/typolight/install.php
For FULL configuration instructions see
http://dev.typolight.org/wiki/EnglishDocumentation