firefoxinterfacelanguage

Procedure;SelectTools>Options;OntheContenttab,undertheLanguagessectionclickChoose;FromtheSelectalanguagetoaddmenu,selectalanguage.,,2019年4月2日—DirectlyfromtheGeneralpaneit'snowpossibletoswitchbetweenlanguagesalreadyavailableinFirefox,removingtheneedformanually ...,UseFirefoxinanotherlanguage.Firefoxletsyoudisplaymenus,notifications,messagesandotherpartsoftheFirefoxinterfaceindifferentlang...

參考資訊如下
Changing the language display of Mozilla Firefox

Procedure ; Select Tools > Options ; On the Content tab, under the Languages section click Choose ; From the Select a language to add menu, select a language.

Changing the language display of Mozilla Firefox

Changing the Language of Firefox Directly From the Browser

2019年4月2日 — Directly from the General pane it's now possible to switch between languages already available in Firefox, removing the need for manually ...

Choose display languages for multilingual web pages

Use Firefox in another language. Firefox lets you display menus, notifications, messages and other parts of the Firefox interface in different languages. Tip ...

How to Change the Default Languages in Mozilla Firefox

2021年2月28日 — Menu > Options > General > Language and Appearance > Language > Set Alternatives > Select a language to add > and choose.

How to change the interface to different language?

2018年6月28日 — Type intl.locale.requested in the Search field. Double-click the intl.locale.requested preference, if found, or add it as a new preference (see ...

Use Firefox in another language

Switch Firefox to another language. You can switch languages at any time to display Firefox menus, notifications, and messages in a different language.