You don't need an account to use Firefox. Accounts are required to sync data across devices, but we only ask you for an email address. We don't want to know things like your name, address, birthday and phone number.
您无需账户即可使用 Firefox。在跨设备同步数据时才需要账户，但我们只会要求您提供电子邮件地址。我们并不想知道您的姓名、地址、生日和电话号码等内容。