If the dropdown menu is greyed out, it usually indicates that the platform, such as a console, is locked to a system language. Regional Servers and Language.
Simplifying Overwatch Language Settings for You
The client acts as a central hub for all Blizzard titles, consolidating settings in one place. Navigate to the Game Settings tab.
If your goal is to hear English or Japanese voice lines, or see the UI in a different script, you must adjust the language specifically. Adjusting Language In-Game on PC Even if you set the language in Battle.
Simplifying Overwatch Language Settings for You
In the left-hand menu, select Language. Select your preferred language and save the changes.
More About How to change language on overwatch
Looking at How to change language on overwatch from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on How to change language on overwatch can make the topic easier to follow by connecting earlier points with a few simple takeaways.