Squarespace multiple languages installation

We have a Squarespace website in English and we would like to add Dutch and French to it. We have the translations so no need for translation skills. We would prefer it if the site turns up in Dutch a We have a Squarespace website in English and we would like to add Dutch and French to it. We have the translations so no need for translation skills. We would prefer it if the site turns up in Dutch and French if your browser is set in those languages. Otherwise, it will show up in English. If this is not possible we can settle...