If you saw a third-party "language switcher download" on a forum or file site, — many such tools are fake, outdated, or contain malware. Black Ops 2 on PC also has security vulnerabilities (RCE exploits), so unofficial executables are especially risky.
Let the download finish (it might take 30-60 minutes depending on your speed). Once done, launch the game. If you see the Treyarch logo in your new language, you have succeeded. black ops 2 language switcher download
: Select Properties and then the Language tab. If you saw a third-party "language switcher download"
Missing font files for Asian languages (Chinese/Japanese/Korean). Fix: You need to also download the "Asian font pack" from the same repository as the switcher. Install this to the main folder. — many such tools are fake