It is strongly recommended that you put your site off-line before performing any module/theme updates.
- Go to Administer > Site configuration > Site maintenance
- Set Site status to Off-line
- Save your settings
- Make a backup of your database and file structure
- Upload new files to your server
- As user 1, run http://www.example.com/update.php
- Be sure to check that everything works fine after the update process
- Go to Administer > Site configuration > Site maintenance
- Set Site status to Online
- Save your settings