FIO Client Firefox

Download FIO Client

Download FIO Client (current and past versions) for Firefox
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Latest Version: 3.9 Updated: 3 months ago

Ready to install?

FIO Client is available to install from Firefox Add-ons Store and for download from this page.
View source code
327
Daily users
5.0
2 ratings
0
Total downloads

Available versions

You can find the current and older versions of FIO Client here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
3.9XPI · ZIP · Source code158.80KB02026-04-15
3.8XPI · ZIP · Source code158.17KB02025-12-23
3.7XPI · ZIP · Source code158.17KB02025-12-01
3.6Paid users only158.00KB02025-11-10
3.5Paid users only157.89KB02025-04-30
3.3Paid users only327.10KB02024-11-26
3.1Paid users only325.97KB02024-07-12
3.0Paid users only329.46KB02024-06-27
2.1Paid users only153.21KB02024-01-27
2.0Paid users only153.10KB02023-04-06
1.1Paid users only164.20KB02022-11-29
1.0Paid users only723.26KB02022-10-21
3.9 158.80KB
2026-04-15 · 0 downloads
XPI ZIP Source code
3.8 158.17KB
2025-12-23 · 0 downloads
XPI ZIP Source code
3.7 158.17KB
2025-12-01 · 0 downloads
XPI ZIP Source code
3.6 158.00KB
2025-11-10 · 0 downloads
Paid users only
3.5 157.89KB
2025-04-30 · 0 downloads
Paid users only
3.3 327.10KB
2024-11-26 · 0 downloads
Paid users only
3.1 325.97KB
2024-07-12 · 0 downloads
Paid users only
3.0 329.46KB
2024-06-27 · 0 downloads
Paid users only
2.1 153.21KB
2024-01-27 · 0 downloads
Paid users only
2.0 153.10KB
2023-04-06 · 0 downloads
Paid users only
1.1 164.20KB
2022-11-29 · 0 downloads
Paid users only
1.0 723.26KB
2022-10-21 · 0 downloads
Paid users only

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
  • Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  • Download the FIO Client ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the FIO Client ZIP file from step 1. FIO Client is now installed on your browser.

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