WARNING: The update process will affect all files and folders included in the main Theme installation. If you have made any modifications to those files, your changes will be lost. Your settings on theme options will be saved. But it is strongly recommended that before you get started, back up your database and website files. This means if there are any issues you can restore your website. Complete instructions to make a backup can be found in the WordPress Backups section of the Codex.
There are two ways to update: