Tomb Raider Turning on Japanese Language Pack DLC

1. Buy Japanese DLC In Steam Library

In the Steam Store purchase and download the Japanese Language Pack DLC

(note: you will need a Steam version of Tomb Raider)

Next you will need to change your Game Play Language to 日本語.

This is done in the Tomb Raider Properties found in the library.

To change the Game Play Language:

Go to your Library Page

[alt click] on Tomb Raider in the Library list to open the menu

Select Properties at the bottom on the menu

Move to the Language page

Then select Japanese from the List of Languages in the drop down list.

This could take more than a few minutes depending on server connection speed.

頑張って

Now when you launch Tomb Raider it will be in Japanese.

Source: https://steamcommunity.com/sharedfiles/filedetails/?id=591575713