Option 2: Manual Language Switcher (For Region-Locked Copies)
C:\Program Files (x86)\Steam\steamapps\common\Call of Duty Black Ops III Steam Community 2. Download Necessary Files black ops 3 language switcher download
On PC, Call of Duty: Black Ops III does have a simple in-game drop-down menu to change languages instantly like many other titles. Instead, the language is controlled by your Steam client, which then downloads the necessary audio and text files. This is the most reliable method to use. black ops 3 language switcher download