This article refers to our legacy product, Page Manager. For the best Finalsite experience, we recommend using our newest product, Composer. To find out how to upgrade your site, talk to your Client Success Manager or learn more on our website.
To set the site language, navigate to Site Manager > Site Administration > Site Information.
Clicking on the "Site Lang" tooltip will show you a list of the different language options to place inside the field.
For English, place "en" inside the field (no quotations).