Firefox 4 - Wikipedia
Mozilla Firefox is a free, open source, cross-platform, graphical web browser developed by the Mozilla Corporation and hundreds of volunteers. The browser began as a fork of the Navigator component of the Mozilla Application Suite; Firefox has since become the foundation's main development focus along with its Thunderbird mail and news clientand has replaced the Mozilla Suite as their official main software release.
Firefox includes tabbed browsing, a spell checker, incremental find, live bookmarking, a download manager, and an integrated search system that uses the user's desired search engine.
Old Version of Firefox. Supported Systems Legacy OS support. Version Name. Firefox Firefox 20 Beta 7. Firefox 20 Beta 6. Firefox 20 Beta 5. Firefox 20 Beta 4. Firefox 20 Beta 3. Firefox 20 Beta 2. Firefox 20 Beta 1. Firefox 3. Firefox 10 Beta 6. Firefox 10 Beta 5. Firefox old version firefox 4 Beta 4. Firefox 10 Beta 3. Firefox 10 Beta 2. Firefox 9. Firefox 8. Firefox 7. Firefox 6. Firefox 5. Firefox 4. Firefox 2. Firefox 1. Firefox 0. You can get add-ons that compare prices, check the weather, change the look of Firefox, listen to music, or even update your Facebook profile.
This wikiHow teaches you how to restore an older version of the Firefox browser. You can do this on both Windows and Mac computers, but you cannot downgrade the Firefox mobile app. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness.
Learn more. The wikiHow Tech Team also followed the article's instructions and validated that they work. Learn more Go to the Firefox install guide. This page has information on how you can download an old version of Firefox. Since the link to access the page with old versions of Firefox is constantly updated, you'll have to access it from this page.
Scroll down to the "I still want to downgrade" section. It's about halfway down the page. Click Directory of other versions and old version firefox 4. This link is below the yellow Firefox warning box that's in the "I still want to downgrade" section.
Clicking it will take you to a list of all Firefox versions. Select a version number. Click a number on this page to go to the download page for that version of Firefox. For example: Select your operating old version firefox 4 folder. Since the folders here aren't clearly labeled, here's how to identify your operating system's folder: If you don't know your computer's bit number, check it first.
Select the language folder. The list on this page is abbreviated regional languages. Select the one that matches your region. Click the download link. This will prompt your selected version of Firefox to begin downloading to your computer.
Depending on your browser settings, you may be prompted to confirm the download or select a location to save to before the download will begin. Double-click the Firefox setup file. Once the download has finished, double-click the setup file to begin the installation process. On a MacOS Sierra and later, you may have to manually allow the installation before continuing. On Windows, you may be prompted to click Extract all first. If so, click Extract allthen open the extracted non-ZIP folder and double-click the Firefox application again.
Select your add-ons if prompted. Depending on the version of Firefox you're using, you may have the option of continuing to use some or all of your add-ons. Wait for Firefox old version firefox 4 open. Once Firefox opens, you will be using the old version firefox 4 that you selected. I play on a game site and some of the games are still in Java.
Firefox prior to v42 was the only browser that worked. Tonight it upgraded itself. I did what the article said, but still can't play. What old version firefox 4 Have you considered upgrading your Java version? In many cases, the reason certain browsers work is due to its compatibility with your Java version. You should be able to update it in "System Updates" on your computer. Yes No. Not Helpful 0 Helpful 0. Include your email address to get a message when this question is answered.
Already answered Not a question Bad question Other. Tips To ensure that your downgraded version of Firefox remains, you should disable automatic updates. Warnings Older Firefox versions might contain unpatched vulnerabilities which can be exploited by attackers to infect your system with malware, steal your personal information, etc. Be careful when using an older Firefox version.
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