Mwi is a web interface and content management system for opensim.
Set full permissions to files:
chmod 777 application/config/application.php
chmod 777 application/config/database.php
chmod 777 application/bundles.php
Set full permissions to directories:
chmod -R 777 storage
chmod -R 777 bundles
chmod -R 777 public/themes
chmod -R 777 public/bundles
Upload the contents of the Mwi public directory to your webserver public directory. In some host providers it's called public_html, httdocs, etc. All the other folders MUST be outside your server public directory.
Visit your domain to start the installation
http://yourdomain.com/install