Need help with installation of script, website PHP, MySQL

I need you to walk me through installation of script. All files are uploaded to root directory. database created I will provide you with the short instruction got from script provider. [login to view URL] Step by Step installation Guide 1. Download and unzip Titan Classifieds files. 2. Download the key file. 3. Upload Titan Classifieds files in the desired location on your web server: If you want to integrate Titan Classifieds into the root of your domain (e.g. [login to view URL]), upload all the content of the unzipped Titan Classifieds directory (but excluding the directory itself) into the root directory of your web server. If you want to have your Titan Classifieds installation in its own subdirectory on your web site (e.g. [login to view URL]), upload the content in the subdirectory of your choice. 4. Upload the key file. The key file ([login to view URL]) must be placed at the same level as the Titan Classifieds files. 5. Go to your Cpanel ([login to view URL]) and follow the instructions below: - create a new email address and update email settings in the following files: File 1: protected/config/[login to view URL] File 2: protected/config/[login to view URL] Lines to update: 'host'=>'XXXXXXXXX', 'username'=>'XXX@XXXXXX', 'password'=>'XXXXX', 'port'=>XX, --------------------this is done, file updated and uploaded--------------------- // 'encryption'=>'ssl', - create a new database and give all the privileges to the user. -----------------done--------------- - add the following cronjob command: /usr/bin/php /home/domain>/public_html/protected/[login to view URL] Expiration --------need help from here on------------- my host is [login to view URL] (the path may be different depending on your server) 6. Run the installation wizard in your favorite web browser and follow the instructions. You can either run: [login to view URL] if you install Titan Classifieds on a domain. [login to view URL] if you install Titan Classifieds in a sub-folder. [login to view URL] if you install Titan Classifieds on a sub-domain. Note that the site will automatically run the installer the first time. If you want to run the installer again, add /install to the above url. That's it! Titan Classifieds should now be installed.