You are viewing the article How to Downgrade Firefox Version at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.
X
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 4,950 times.
This wikiHow teaches you how to restore an earlier version of the Firefox browser. You can downgrade Firefox versions on both Windows and Mac computers, but you cannot proceed on the mobile app.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/0/07/Downgrade-Firefox-Step-1-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-1- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/0/07/Downgrade-Firefox-Step-1-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-1-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Visit the Firefox installation instructions page . This page contains information on how to get older versions of Firefox. Since the link to visit the old version of Firefox page is constantly being updated, you must access it from here.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/a/a9/Downgrade-Firefox-Step-2-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-2- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/a/a9/Downgrade-Firefox-Step-2-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-2-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Scroll down to the “I still want to downgrade” section. The option is around the bottom half of the page.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/3/34/Downgrade-Firefox-Step-3-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-3- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/3/34/Downgrade-Firefox-Step-3-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-3-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Click Directory of other versions and languages . This link is below the yellow Firefox warning box under “I still want to downgrade”. After clicking, a list of all Firefox versions will appear.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/2/24/Downgrade-Firefox-Step-4-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-4- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/2/24/Downgrade-Firefox-Step-4-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-4-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Select the version number. Click the number on this page to go to that version of Firefox’s page.
- For example, if you click 45.1.0esr/ it will go to the download page for Firefox version 45.1.0.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/8/8d/Downgrade-Firefox-Step-5-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-5- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/8/8d/Downgrade-Firefox-Step-5-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-5-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Select the folder for your operating system. Since the folders here are not clearly labeled, you need to keep the following in mind to recognize the folder for your operating system:
- For Windows computers – Look for the number “win32/” (32-bit Windows) or “win64/” (64-bit Windows) in the text of the link. If you don’t know your computer’s bit count, check first.
- For Mac – Look for the word “mac/” in the text of the link.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/e/ed/Downgrade-Firefox-Step-6-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-6- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/e/ed/Downgrade-Firefox-Step-6-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-6-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Select the language folder. The list on the page is in the abbreviated country language. For example, if you are in English and in the US then click on the “en-US/” folder.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/2/2a/Downgrade-Firefox-Step-7.jpg/v4-728px-Downgrade-Firefox-Step-7.jpg”,” bigUrl”:”https://www.wikihow.com/images/thumb/2/2a/Downgrade-Firefox-Step-7.jpg/v4-728px-Downgrade-Firefox-Step-7.jpg”,”smallWidth” :460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click the download link. The selected version of Firefox will begin downloading to your computer.
- Depending on your browser settings, you may be asked to confirm the download or choose a save location before the download begins.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/2/2a/Downgrade-Firefox-Step-8-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-8- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/2/2a/Downgrade-Firefox-Step-8-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-8-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Double-click the Firefox setup file. Once the download is complete, double-click the setup file to start the installation process. On Windows computers, this will be the application file (EXE), while Mac users will double-click the DMG file named Firefox.
- On MacOS Sierra and later, you may have to manually authorize the installation before continuing.
- On Windows, you may need to click Extract all first. In this case, you click Extract all , open the extracted folder (not the ZIP folder) and then double click the Firefox application again.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/e/e6/Downgrade-Firefox-Step-9-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-9- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/e/e6/Downgrade-Firefox-Step-9-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-9-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Select add-ons if required. Depending on the version of Firefox you’re using, you’ll have the option to continue using some or all of your add-ons.
{“smallUrl”:”https://www.wikihow.com/images_en/thumb/0/06/Downgrade-Firefox-Step-10-Version-2.jpg/v4-728px-Downgrade-Firefox-Step-10- Version-2.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/0/06/Downgrade-Firefox-Step-10-Version-2.jpg/v4-728px-Downgrade- Firefox-Step-10-Version-2.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser -output”></div>”}
Wait for Firefox to open. Once Firefox opens, you’ll be able to use the version you selected.
Advice
- To ensure that the version of Firefox you have downgraded to is maintained, you need to disable automatic updates. This process will vary by version, but generally click the Tops tab (or the ☰ icon on later versions), then click Options or Preferences . select Advanced , click Updates , and uncheck the “Automatic update” box.
Warning
- Older versions of Firefox will have unpatched vulnerabilities, which attackers can take advantage of to infiltrate your system with malware, steal personal information, and so on. Be careful when using older versions of Firefox.
- When using older versions of Firefox, you must be careful of suspicious websites and run an anti-virus program on your computer.
- Note that downgrading doesn’t necessarily solve the problem you’re having with the new version.
X
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 4,950 times.
This wikiHow teaches you how to restore an earlier version of the Firefox browser. You can downgrade Firefox versions on both Windows and Mac computers, but you cannot proceed on the mobile app.
Thank you for reading this post How to Downgrade Firefox Version at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.
Related Search: