将Firefox浏览器的界面语言设置为英文

1.先尝试通过Option-Language-Firefox Language Settings将English设为优先选择的语言。

如果以上操作没有把Firefox所有的界面全部改为英文，请继续按下面步骤设置。

1. Type about:config into the address bar and press Enter.
2. To bypass the warning, press the big button labeled "I'll be careful, I promise!".
3. In the search box, paste intl.locale.matchOS
4. In the search results, if intl.locale.matchOS is set to true, double-click it to set its value to false.
5. In the search box, paste general.useragent.locale
6. In the search results, double-click general.useragent.locale and set its value to false.
7. Restart Firefox for the change to take effect.