Disable Automatic Updatesīy default, Firefox checks for the latest updates and, if found, will download and install it automatically. There’s just one thing left to do- disable its Auto-Updates feature. You have successfully downgraded to an earlier build of Firefox.

You must hit the Upgrade button and wait for the process to complete.

It will now scan for the installation directory and bring up the location where the existing version is stored.

If you aren’t sure if the same, then go ahead with the Standard one.

Click on the Next in the welcome screen and select the setup type, out of Standard or Custom.

Here are the steps to install the older version of Firefox: We can proceed to install and overwrite the older version. Now that the older version has been downloaded to local storage. Then go to Help > About Firefox, and you should find the architecture mentioned there. * If you aren’t sure about system architecture, tap on the More menu at the extreme right of Firefox. exe file corresponding to your selected version. As for this guide, we are choosing English US, so it translates to en-US.

Select the one that matches your CPU architecture.

(say, Windows)įurthermore, under Windows, you will see two different architectures *, 32-bit and 64-bit.

Choose the directory per your system configuration.

You should now see various builds of Firefox corresponding to your OS.

Please scroll to the version of your choice and select it.

It hosts older browser builds, some dating from 5-6 years old.

Open the Firefox directory listings on the web browser.

Here are the steps to download the older Firefox build: We can browse through the build number to download the required version. Mozilla Firefox automatically archives the order builds or releases in its repository that we can download for free.

Bottom Line: Firefox Downgrade to Older Version.

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