If the language is not already installed, follow the link to the Official Microsoft Support Page to download the specific installer for your bit-version (32-bit or 64-bit).
Enhances productivity for users who find it easier to navigate tools and settings in their primary language. How to Install an Office 2016 Language Pack office 2016 language interface pack
Most LIPs and Language Accessory Packs for Office 2016 are available as free downloads directly from the Microsoft Download Center . If the language is not already installed, follow
Under the Office Display Language section, select Add a Language . select Add a Language .