Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Where is the install location of Firefox in win11 installed from Microsoft Store?

  • 2 replies
  • 1 has this problem
  • 14 views
  • Last reply by Zhenggli

more options

I installed from microsoft store, but could not find where they are. Tried: (64-bit Firefox) "C:\Program Files\Mozilla Firefox\" (32-bit Firefox) "C:\Program Files (x86)\Mozilla Firefox\" C:\Users\<username>\AppData\Local\Packages

I installed from microsoft store, but could not find where they are. Tried: (64-bit Firefox) "C:\Program Files\Mozilla Firefox\" (32-bit Firefox) "C:\Program Files (x86)\Mozilla Firefox\" C:\Users\<username>\AppData\Local\Packages

All Replies (2)

more options

Let's try the Troubleshooting Information page. Either:

  • "3-bar" menu button > Help > More Troubleshooting Information
  • (menu bar) Help > More Troubleshooting Information
  • type or paste about:support in the address bar and press Enter

In the first table, there should be a row labeled Application Binary that shows the full path to firefox.exe for the currently running profile. It's commonly something like

C:\Program Files\Mozilla Firefox\firefox.exe

Does that reveal the correct location for your Firefox? And, out of curiosity, where is it?

more options

Yeah, thank you! I found it using the option 1 you shared. It is in "C:\Program Files\WindowsApps\Mozilla.Firefox_95.0.0.0_x64__n80bbvh6b1yt2\VFS\ProgramFiles\Firefox Package Root\firefox.exe". Strange path...