This article explains how to download and install Firefox on a Mac.
Is Safari just extremely optimised in Mac OS? I'm not an IT person so I don't know). I used to think the short battery life on the MacBook Air was due to its age (which is partly true for sure, but now I'm guessing firefox didn't help). I definitely want to have Firefox closed while on battery only.
- If you are updating from a previous version of Firefox, see Update Firefox to the latest release.
- Need to move Bookmarks, Extensions & Add-Ons to another Mac; Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release; Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8; Dedicated profiles per Firefox installation.
- Firefox on macOS will soon be more beneficial to MacBook Air and MacBook Pro users who want to preserve battery life, with Nightly builds of the Mozilla-produced browser now requiring as little as.
Note: This article only applies to Mac. For instructions to install Firefox on Windows, see How to download and install Firefox on Windows.For instructions to install Firefox on Linux, see Install Firefox on Linux.
Make sure your Mac meets the System Requirements for Firefox. If you use an old version of OS X, see these articles for more information:
- Visit the Firefox download page in any browser (for example, Safari). It will automatically detect the platform and language on your computer and recommend the best version of Firefox for you.
- Click .
- Note: If you want to have a choice of the language for your Firefox installation, click the Download options and other languages link instead.
- Once the download has completed, the file (Firefox.dmg) may open by itself and pop open a Finder window containing the Firefox application. Drag the Firefox icon on top of the Applications folder in order to copy it there.
- Note: If you do not see this window, open the Firefox.dmg file that you downloaded.
- After dragging Firefox to the Applications folder, hold down the control key while clicking in the window and select Eject 'Firefox' from the menu.
Complete the steps above before running Firefox. Do not run Firefox directly from the Firefox.dmg file, as this can result in issues such as lost data and settings.
Tip: You can add Firefox to your dock for easy access. Just open your Applications folder and drag Firefox to the dock.
Firefox is now ready for use. Just click on its icon in the dock or Applications folder to start it.
When you first start up Firefox, you will be warned that you downloaded Firefox from the Internet. Because you download Firefox from the official site, click .
Upon installation, Firefox will not be your default browser, which you'll be notified about. That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox. If you want Firefox to do those things, click . If you're just trying out Firefox or simply do not wish to set Firefox as your default browser, click .
Firefox on macOS will soon be more beneficial to MacBook Air and MacBook Pro users who want to preserve battery life, with Nightly builds of the Mozilla-produced browser now requiring as little as a third of the power of the main public release to render web pages.
The Nightly version of Firefox, so-called because it is updated every night, is a testing and development release of the browser that sits between the Developer Edition and the public release. Improvements that are close to being used by normal users are pushed to Nightly in preparation, with one recent addition to the browser helping reduce power consumption for macOS users.
Highlighted by developer Henrik Skupin, users of Firefox Nightly on macOS will see a 'huge decrease of its power usage by a factor of about 3x' when loading webpages. The change, which revolves around using CoreAnimation for rendering, cuts down on the amount of power required for the process.
According to data shared in Mozilla's bug ticketing system, accessing some webpages requires between 21 Watts and 30 Watts of power to render without CoreAnimation, with GPU power draws of between 10 Watts and 15 Watts. Under the Nightly build from September 1, the same test pages used 8 Watts and 7 Watts, with GPU usage down to 0.2 Watts for each.
While potentially beneficial to MacBook users, it isn't available for use on the main release of the browser yet, and it is unclear when the benefits will reach that release channel in the future. The inclusion in the Nightly build is a good sign that it could arrive soon, possibly as part of version 70 scheduled to arrive on October 22.
Tuesday's version 69 of the main Firefox release does bring some benefits to macOS users, with MacBook Pro users and those with dual graphics cards will see the browser switch to lower-powered GPUs more aggressively, cutting down on power usage. Also for macOS users, download progress for files is now visible within Finder.
The release's other changes include stronger privacy elements in Enhanced Tracking Protection (ETP) including blocking third-party tracking cookies and cryptominers by default, an enhanced Block Autoplay feature, and support for receiving multiple video codecs.
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Firefox Or Safari For Mac
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