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• Stable: http://www.mozilla.org/en-US/firefox/all/
• Beta: http://www.mozilla.org/en-US/firefox/beta/all/

The About Mozilla Firefox About Firefox window opens. Firefox will check for updates and download them automatically. When the download is complete, click Restart to update Firefox. If you are on a Mac computer with Apple Silicon and update from an older version to Firefox 84 or higher. Firefox Developer Edition. Get the Firefox browser built just for developers. Check out the home for web developer resources. Firefox Reality. Explore the web with the Firefox browser for virtual reality. Donate your voice so the future of. Firefox makes it to version 54, Mozilla dubs it 'the best Firefox' Mozilla has announced the latest update to its popular web browser. Firefox is now up to version number 54 with changes that, according to the company, make it 'the best Firefox in history' thanks to an important performance tweak in the form of multiprocess support when loading tabs.

Mozilla Firefox is a fast, full-featured Web browser. Firefox includes pop-up blocking, tab-browsing, integrated Google search, simplified privacy controls, a streamlined browser window that shows a number of additional features that work with you to help you get the most out of your time online.

Installation
Installing Firefox was a fine , quick experience.A new feature checks your add-ons to see which ones you installed and which ones come from third-party vendors, such as security suite makers. The browser will now ask you if you'd like to disable any of these third-party add-ons.

Interface
The menu bar has been squished into an orange button on the upper left, with menu options spread across two columns.the menu makes it much easier to get to bookmarks, add-ons, and history, as they now all live on one Menu pane.

Performance
Firefox is built on top of the powerful new Gecko platform, resulting in a safer, easier to use and more personal product.Mozilla plans to crowdsource its performance data to learn more about how the browser performs in real-world situations.

1. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: In the Menu bar at the top of the screen, click Firefox and select Preferences. Click the menu button and select Options. In the General panel, go to the Firefox Updates section.
2. Search Information and links to do with Firefox 83. This may be useful for Mozilla contributors actively working on the release. It is also a record for future reference.

Features
Firefox's features are robust and generally competitive. The most important feature in the modern Firefox is Sync.Sync now smoothly syncs your bookmarks, passwords, preferences, history, and tabs, not only with other computers, but also with your Android version of Firefox.

Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse. It blocks trackers that follow you around online to collect information about your browsing habits and interests. It also includes protections against harmful scripts, such as malware that drains your battery. For more information, see SmartBlock for Enhanced Tracking Protection.

Table of Contents

• 6Adjust your global Enhanced Tracking Protection settings

To see what’s been blocked on all sites over the past week, visit your Protections Dashboard. Click the menu button and select Protections Dashboard or type about:protections into the address bar. This will open the Protections Dashboard page in a new tab.

To see what’s being blocked on individual pages, click the shield to the left of the address bar.

Firefox uses a list of known trackers provided by Disconnect. By default, Firefox blocks the following types of trackers and scripts.

• Social media trackers
• Cross-site tracking cookies
• Fingerprinters
• Cryptominers
• Tracking content in Private Windows only. These trackers are hidden in ads, videos, and other in-page content. To add this protection in all windows, visit your privacy preferences and select Strict or Custom as explained below.

To learn more about trackers and scripts blocked by Firefox, see the article Trackers and scripts Firefox blocks in Enhanced Tracking Protection and SmartBlock for Enhanced Tracking Protection.

The shield to the left of the address bar tells if you if Firefox is blocking trackers and scripts on a site.

• - Purple: Firefox blocked trackers and harmful scripts on a site. Open the shield to see what was blocked.
• - Gray: No known trackers or harmful scripts were detected on a site.
• - Gray and crossed out: Enhanced Tracking Protection is turned off on a site. Open the shield and toggle the switch to turn it back on.

Click on the shield to see what Firefox has blocked.

This panel will display different information depending on the site you’re on.

• Blocked: Firefox blocked these trackers and scripts. Select each one to see a detailed list.
• Allowed: These trackers and scripts loaded on the page. This happens because some websites may require loading trackers and scripts to function proprerly. Firefox allows only those trackers and scripts needed for the site to work and blocks the rest. For more information, visit SmartBlock for Enhanced Tracking Protection.
• None Detected: Firefox looked for these trackers and scripts, but did not find them on this site.
• Select Protection Settings to adjust your global privacy settings.
• Select Protections Dashboard to view a personalized summary of your protections over the past week, including tools to take control of your online security.

If a site seems broken, try turning off Enhanced Tracking Protection. It allows trackers to load on that site only. Enhanced Tracking Protection will continue to block trackers on other sites.

1. Click on the shield to the left of the address bar.
2. Toggle the switch at the top of the panel.
   • This will turn off Enhanced Tracking Protection for this site. The page will reload automatically and allow trackers on this site only.

Follow the same process to turn Enhanced Tracking Protection back on.

You may encounter breakage on some sites when you’re in Strict Enhanced Tracking Protection. This is because trackers are hidden in some content. For example, a website might embed an outside video or social media post that contains trackers. To block the trackers, Firefox must also block the content itself.

Mozilla Firefox 83 Download

Trackers are often hidden in the following types of content:

• Login fields
• Forms
• Payments
• Comments
• Videos

When you download Firefox, all protections included in Standard Enhanced Tracking Protection are already enabled.

To view or change your Enhanced Tracking Protection settings for all sites, click the shield to the left of the address bar on any webpage and select Protection Settings. This will open the Firefox OptionsPreferencesSettingsPreferencesPrivacy & Security panel in a new tab.

Standard Enhanced Tracking Protection

By default, Firefox blocks the following on all sites.

• Social media trackers
• Cross-site tracking cookies
• Tracking content in Private Windows only.
• Cryptominers
• Fingerprinters

Firefox 83 Offline

Strict Enhanced Tracking Protection

Firefox 83

To further increase privacy, select Strict Enhanced Tracking Protection. This will block the following:

• Social media trackers
• Cross-site tracking cookiesCross-site cookies
• Tracking content in all windows
• Cryptominers
• Fingerprinters

Strict protection includes Total Cookie Protection. This gives every website its own 'cookie jar', which prevents third-party trackers from collecting browsing data across multiple websites.

1. Click on the shield to the left of the address bar on any webpage.
2. Click on Protection Settings.

   The Firefox OptionsPreferencesSettingsPreferencesPrivacy & Security panel will open.

3. Under Enhanced Tracking Protection, select Strict.
4. Select the button to apply your new privacy settings.

Custom Enhanced Tracking Protection

Download Firefox

Want to block some trackers and scripts, but not others? Use Custom Enhanced Tracking Protection.

1. Click on the shield to the left of the address bar on any webpage.
2. Click on Protection Settings.

   The Firefox OptionsPreferencesSettingsPreferencesPrivacy & Security panel will open.

3. Under Enhanced Tracking Protection, select Custom.
4. Choose which trackers and scripts to block by selecting those checkboxes.
5. Select the button to apply your new privacy settings.

You can also turn off all protections in Custom, by deselecting all checkboxes. This allows all trackers and scripts to load and effectively disables these features:

Firefox 83 Mac

Mozilla Firefox 83.0

1. Deselect the Trackers checkbox.
2. Deselect the Cookies checkbox.
3. Deselect the Cryptominers checkbox.
4. Deselect the Fingerprinters checkbox.
5. Select the button to apply your new privacy settings.