To update your theme to latest version follow following simple steps:
- Maintain Complete backup of your site and database before theme update in order to avoid any potential data loss.
- Go to theme forest download dashboard, select “Download all Files”, get the latest updated files.
- Deactivate the previous theme version from WordPress Dashboard > Appearance > Themes > Deactivate Theme
- Upload Latest updated theme version on your site via ftp or WordPress dashboard as feel comfortable.