Would you like to use Word in Russian or Hebrew or perhaps Japanese? Here is how to download and configure Office Language Packs.

Where Can Additional Office Languages Be Found?
Office language packs are now called “Language Accessory Packs”,and can be downloaded directly from Microsoft, for free, here.
Currently Microsoft offers language packs for the following versions of Office: Office 2010, Office 2013,Office 2016 and Office 2019. Notice that Office Professional Plus 2016 and 2019 are not specifically mentioned but rather appear as “Newer versions”.
To download an accessory pack, select the desired language:
Now choose whether you seek a 32-bit or 64-bit version. By default Office is installed in… 32-bit! So if you are unsure which version of Office you have, then you most likely have Office 32-bit. To check whether you have Office 32