In Siena, the latest version, you no longer have to go through all those steps. You simply follow these steps:
- Make a backup of your files and database.
- Download the latest version of Cotonti and upload the files to the server, overwriting old files.
- Set CHMOD 777 on /datas and subfolders/subfiles.
- Visit yoursite.com/install.php and follow the install procedure.
See also:
Updating from Genoa