There are no separate updates for Office Web Apps Server language packs.
As part of the update process, you'll have to re-create the Office Web Apps Server farm.
Updates and upgrades are rolled out to customers based on many factors, such as geography, language, data center, and subscription.
This means that not all updates are available immediately to existing customers.
You can find the most recent list of updates available for Office Web Apps Server on the Microsoft Office Updates blog and on the Tech Net Update center for Office, Office servers, and related products.
Updates that are released for Office Web Apps Server will update Office Web Apps Server and any Office Web Apps Server language packs that are installed.
Are you looking for help with Office Web Apps on your desktop or mobile device?If this happens, you have to rebuild your Office Web Apps Server farm.To rebuild a farm, you must remove the Office Web Apps Server from the farm by using Remove-Office Web Apps Machine, uninstall Office Web Apps Server by using Add or remove programs, and then reinstall Office Web Apps Server by following the steps that are described in Deploy Office Web Apps Server.Microsoft frequently issues updates that improve the functionality, performance, stability, and security of all their office tools, including MS Word.Today I want to teach you how to keep your Microsoft Office Suite up to date.