1) Create a directory on your server and name it something like /concrete5

2) Upload concrete5 to this directory.

3) Create a database and db user.

4) Visit the page where you uploaded concrete5 and install it as normal. (http://www.exampledomain.com/concrete5)

5) When you are finished building your new site, delete or move your old site from the root of your server.

6) Back up and move your concrete5 files from the /concrete5 directory to the root of your server.

7) Open /config/site.php and update the base url to the sites new location and save the file.

You will probably need to add a php5.ini to the directory where C5 is installed on Godaddy and add the line cgi.fix_pathinfo = 1 to it

http://www.weblicating.com/c5/concrete5-on-godaddy/...

Do I use the server within the current domain on GoDaddy or is there somewhere within GoDaddy, my account, that I can create a new directory?