When you go to the about:support page in Firefox and scroll to the very bottom in the Internationalization & Localization section (although I suppose it may not be English for you), take a screenshot of that table.

I've posted a screenshot of what mine looks like so that you can get a rough idea of what you are looking for, in case the menu isn't English.

NOTE: Firefox Screenshots doesn't work on this page, so you will need to take the screenshot using your operating system's screenshot tool.

There are three English locales of desktop Firefox (US, British, and Canadian) at https://www.mozilla.org/en-US/firefox/all/#product-desktop-release

If you downloaded Firefox at say www.mozilla.org then you may get a locale based on your location.

If I go to Firefox>about there is no option for a support page. It's all in English and says I'm up to date.

I tried the link above and I've definitely downloaded the app in English. But not all menus are in English. The main Firefox menu is Spanish, but all the others are English. My preferences tab is in Spanish, and when I click to download anything it's in Spanish.

When I click "preferencias" I'm taken to a page in English, where the option under "Language and Appearance" has English selected. But this seems to have no effect on the main Firefox menu, download options, and preference tab.

Hello serfiss,

Would you please take a look at this bug report; especially the last three comments :

https://bugzilla.mozilla.org/show_bug.cgi?id=1564998

Maybe this will work for you too - worth a try .....

Right click options are also in Spanish... Considering I've downloaded a new copy and reinstalled (it was set to English) and set my prefs to English I'm at a loss. This seems to be a glitch.

^thanks for that tip, I do see a languages thing in add-ons, but no way to manually update, and not sure how to run that purge cache command on a Mac.

serfiss said

^thanks for that tip, I do see a languages thing in add-ons, but no way to manually update,

If it is a language pack : does it have three horizontal dots in the right upper corner ? If so, please click on it - you should be able to find an option to manually update it ("Manage").

and not sure how to run that purge cache command on a Mac.

I'm a Windows person - haven't been able to find how to do that on Mac; I'm hoping someone else will come to your rescue ......

Maybe you can find something useful in these search results ......  ?

I clicked manage, disabled and re-enabled. Didn't seem to do anything. I've just asked some IT nerd friends if they'd be willing to download the US installer and send it to me. maybe pirate bay has it. the only thing I can think it that I'm being flagged by my region and Mozilla doesn't know that there are native English speakers living in Spain

serfiss said

I clicked manage, disabled and re-enabled. Didn't seem to do anything.

It should show you when the language pack was last updated (?)

I've just asked some IT nerd friends if they'd be willing to download the US installer and send it to me. maybe pirate bay has it.

Now you've lost me .... You said that you have installed the English version - you may have misconstrued Wesley Branton's post about typing in the address bar about:support and then scroll all the way down; it should show that you have indeed downloaded Firefox en-US version, using the first link, mentioned in James' post.

When you disabled that language pack (and then closed and restarted Firefox); that didn't make a difference ?

I'm asking, because that language pack just might be the culprit; there are several Spanish language packs - maybe you could try a different one ? (just a stab in the dark)

(edit : typo ... )

You can check all installed language packs under on "about:addons -> Languages" and make sure they have been updated to the current release.

This can be caused by not refreshing data in the startup caches. Start Firefox once with the -purgecaches command line switch (make sure that Firefox is closed).

• https://developer.mozilla.org/en-US/Command_Line_Options

It sounds like the same general area. I'm English living in Greece and using a Windwos 10 Lenovo PC bought in Greece. Everything comes up in English apart from Firefox, which is smack bang up to date.Despite going through all the options umpteen times, Firefox still comes up in Greek.

You can find the full version of the current Firefox release (71.0) in all languages and all operating systems here:

• https://www.mozilla.org/en-US/firefox/all/
• https://www.mozilla.org/en-US/firefox/71.0/releasenotes/