I would recommend you to update theme to latest version https://www.8theme.com/demo/docs/legenda/#!/installation_upgrade
and update all required plugins https://www.8theme.com/download-plugins/http://prntscr.com/gzbjpp
Before uploading theme files delete “woocommerce” folder, which is located in wp-content/themes/legenda/ to avoid problems with old files (it’ll be reuploaded from a new theme package). Don’t forget to create backup of your files and database before starting update process!
You need to enter your purchase code in Theme Options and skip Setup Wizard.
