The administration can elect to help or disable currency and language auto-adjust features. Also, alter the default retail store currency and language from the module management page. If the module does not uncover acceptable currency and language According to visitors' area then default currency and language might be utilized. - https://www.presta-addons-modules.com/en/seo/prestashop-seo-friendly-url-pretty-url-without-id-number.html