3 Easy Ways to Disable Pop-ups in Firefox

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Simple ways to stop awful popups from ruining your internet experience
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This wikiHow teaches you how to prevent pop-up ads from appearing in your Firefox browser on both desktop and mobile platforms. While it is impossible to eliminate 100 percent of pop-ups in Firefox or any other browser, you can decrease the number of pop-ups to virtually none by using Firefox's built-in pop-up blocker. You can also use a Firefox extension called Adblock Plus to block more obtrusive ads on desktop, while mobile users can download the free Firefox Focus app to browse ad-free.

Quick Steps to Block Firefox Pop-Ups on Desktop

  1. Open Firefox.
  2. Click the three-line menu in the upper-right corner.
  3. Click Settings .
  4. Click on Privacy & Security .
  5. Scroll down to Permissions .
  6. Check the Block pop-up windows box.
Method 1
Method 1 of 5:

Using Firefox Settings on Desktop

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    Its app icon resembles an orange fox wrapped around a blue globe.
  2. 2
    Click ☰ . It's in the top-right corner of the page. A pop-out window will appear. [1]
    Advertisement
  3. 3
    Click Settings . You'll find this in the pop-out window.
  4. 4
    Click Privacy & Security . It's a tab on the far-left side of the page.
  5. 5
    Scroll down to the "Permissions" section. This section is near the bottom of the page.
  6. 6
    Check the "Block pop-up windows" box. It's near the bottom of the "Permissions" section. Doing so ensures that Firefox will prevent pop-up windows, including ads, from appearing.
    • If this box is checked, Firefox is already blocking pop-up windows.
    7. Advertisement
Method 2
Method 2 of 5:

Using Firefox Settings on iPhone

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    Tap the Firefox app icon, which resembles an orange fox wrapped around a blue globe.
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/70\/Block-Pop%E2%80%93ups-in-Firefox-Step-8-Version-2.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-8-Version-2.jpg","bigUrl":"\/images\/thumb\/7\/70\/Block-Pop%E2%80%93ups-in-Firefox-Step-8-Version-2.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-8-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    This is in the bottom-right corner of the screen. Tapping it prompts a pop-up window.
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/5a\/Block-Pop%E2%80%93ups-in-Firefox-Step-9-Version-2.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-9-Version-2.jpg","bigUrl":"\/images\/thumb\/5\/5a\/Block-Pop%E2%80%93ups-in-Firefox-Step-9-Version-2.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-9-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    It's at the bottom of the pop-up window. Doing so opens the Settings window.
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/38\/Block-Pop%E2%80%93ups-in-Firefox-Step-10-Version-2.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-10-Version-2.jpg","bigUrl":"\/images\/thumb\/3\/38\/Block-Pop%E2%80%93ups-in-Firefox-Step-10-Version-2.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-10-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    The switch will turn blue, signifying that pop-ups are now blocked in Firefox on your iPhone.
    • If the switch is blue, pop-ups are already being blocked.
    5. Advertisement
Method 3
Method 3 of 5:

Using Firefox Settings on Android

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  1. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/52\/Block-Pop%E2%80%93ups-in-Firefox-Step-11-Version-2.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-11-Version-2.jpg","bigUrl":"\/images\/thumb\/5\/52\/Block-Pop%E2%80%93ups-in-Firefox-Step-11-Version-2.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-11-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Tap the Firefox app icon, which resembles an orange fox wrapped around a blue globe.
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f9\/Block-Pop%E2%80%93ups-in-Firefox-Step-12.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-12.jpg","bigUrl":"\/images\/thumb\/f\/f9\/Block-Pop%E2%80%93ups-in-Firefox-Step-12.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-12.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    It's at the top of the screen.
    • You may first have to scroll up to cause the address bar to appear.
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/7b\/Block-Pop%E2%80%93ups-in-Firefox-Step-13.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-13.jpg","bigUrl":"\/images\/thumb\/7\/7b\/Block-Pop%E2%80%93ups-in-Firefox-Step-13.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-13.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Type about:config into the address bar and tap the "Search" key.
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/94\/Block-Pop%E2%80%93ups-in-Firefox-Step-14.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-14.jpg","bigUrl":"\/images\/thumb\/9\/94\/Block-Pop%E2%80%93ups-in-Firefox-Step-14.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-14.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    It's in the top-right corner of the screen.
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/5d\/Block-Pop%E2%80%93ups-in-Firefox-Step-15.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-15.jpg","bigUrl":"\/images\/thumb\/5\/5d\/Block-Pop%E2%80%93ups-in-Firefox-Step-15.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-15.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Type in dom.disable_open_during_load and press the "Search" key.
  6. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b6\/Block-Pop%E2%80%93ups-in-Firefox-Step-16.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-16.jpg","bigUrl":"\/images\/thumb\/b\/b6\/Block-Pop%E2%80%93ups-in-Firefox-Step-16.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-16.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    If you see "true" written below the dom.disable_open_during_load text, Firefox is already blocking pop-ups.
  7. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/27\/Block-Pop%E2%80%93ups-in-Firefox-Step-17.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-17.jpg","bigUrl":"\/images\/thumb\/2\/27\/Block-Pop%E2%80%93ups-in-Firefox-Step-17.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-17.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Tap dom.disable_open_during_load , then tap Toggle .
  8. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/83\/Block-Pop%E2%80%93ups-in-Firefox-Step-18.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-18.jpg","bigUrl":"\/images\/thumb\/8\/83\/Block-Pop%E2%80%93ups-in-Firefox-Step-18.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-18.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Close the Firefox app, then re-open it. Firefox will now block ads, including pop-ups.
    9. Advertisement
Method 4
Method 4 of 5:

Using Adblock Plus

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  1. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/bc\/Block-Pop%E2%80%93ups-in-Firefox-Step-19.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-19.jpg","bigUrl":"\/images\/thumb\/b\/bc\/Block-Pop%E2%80%93ups-in-Firefox-Step-19.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-19.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Its app icon resembles an orange fox wrapped around a blue globe.
    • Unfortunately, you cannot install Adblock Plus for use with Firefox on an iPhone or Android.
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/cd\/Block-Pop%E2%80%93ups-in-Firefox-Step-20.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-20.jpg","bigUrl":"\/images\/thumb\/c\/cd\/Block-Pop%E2%80%93ups-in-Firefox-Step-20.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-20.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Open the Adblock Plus extension page . This is the page from which you can download Adblock Plus.
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c8\/Block-Pop%E2%80%93ups-in-Firefox-Step-21.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-21.jpg","bigUrl":"\/images\/thumb\/c\/c8\/Block-Pop%E2%80%93ups-in-Firefox-Step-21.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-21.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    It's a blue button in the middle of the page.
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c8\/Block-Pop%E2%80%93ups-in-Firefox-Step-22.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-22.jpg","bigUrl":"\/images\/thumb\/c\/c8\/Block-Pop%E2%80%93ups-in-Firefox-Step-22.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-22.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    You'll see this appear at the top of the window. Doing so installs Adblock Plus on Firefox.
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e6\/Block-Pop%E2%80%93ups-in-Firefox-Step-23.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-23.jpg","bigUrl":"\/images\/thumb\/e\/e6\/Block-Pop%E2%80%93ups-in-Firefox-Step-23.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-23.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    It's a stop sign-shaped icon with a white "ABP" written across it in the upper-right side of the Firefox window. Clicking it prompts a drop-down menu.
  6. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/49\/Block-Pop%E2%80%93ups-in-Firefox-Step-24.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-24.jpg","bigUrl":"\/images\/thumb\/4\/49\/Block-Pop%E2%80%93ups-in-Firefox-Step-24.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-24.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    This option is at the bottom of the drop-down menu. The Adblock Plus Options page will open.
  7. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/10\/Block-Pop%E2%80%93ups-in-Firefox-Step-25.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-25.jpg","bigUrl":"\/images\/thumb\/1\/10\/Block-Pop%E2%80%93ups-in-Firefox-Step-25.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-25.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    It's in the "ACCEPTABLE ADS" section of the page.
  8. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3c\/Block-Pop%E2%80%93ups-in-Firefox-Step-26.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-26.jpg","bigUrl":"\/images\/thumb\/3\/3c\/Block-Pop%E2%80%93ups-in-Firefox-Step-26.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-26.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Now that Adblock Plus is installed, you should be able to avoid the bulk of ads—pop-up or otherwise—in your Firefox desktop browser.
    • You may occasionally still see ads, and some websites will require you to disable your adblocker in order to view their content.
    • To disable Adblock Plus, click its icon (you may first have to click ☰ in the top-right corner of the window to see the icon), then click Enabled on this site .
    9. Advertisement
Method 5
Method 5 of 5:

Using Firefox Focus

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  1. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/cd\/Block-Pop%E2%80%93ups-in-Firefox-Step-27.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-27.jpg","bigUrl":"\/images\/thumb\/c\/cd\/Block-Pop%E2%80%93ups-in-Firefox-Step-27.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-27.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Firefox Focus is a free version of Firefox for iPhone and Android smartphones; it has a built-in ad blocker which will prevent most pop-ups and other egregious forms of advertising from appearing.
    • Firefox Focus is not available on Windows or Mac computers.
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fe\/Block-Pop%E2%80%93ups-in-Firefox-Step-28.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-28.jpg","bigUrl":"\/images\/thumb\/f\/fe\/Block-Pop%E2%80%93ups-in-Firefox-Step-28.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-28.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    To install it, open the
    iPhone App Store Icon
    {"smallUrl":"https:\/\/www.wikihow.com\/images\/5\/55\/Iphoneappstoreicon.png","bigUrl":"\/images\/thumb\/5\/55\/Iphoneappstoreicon.png\/30px-Iphoneappstoreicon.png","smallWidth":460,"smallHeight":460,"bigWidth":30,"bigHeight":30,"licensing":"<div class=\"mw-parser-output\"><p>I edited this screenshot of an iOS icon.\n<\/p><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"http:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a><br>\n<\/p><\/div>"}
    App Store (iPhone) or
    Android Google Play
    {"smallUrl":"https:\/\/www.wikihow.com\/images\/1\/1e\/Androidgoogleplay.png","bigUrl":"\/images\/thumb\/1\/1e\/Androidgoogleplay.png\/26px-Androidgoogleplay.png","smallWidth":460,"smallHeight":531,"bigWidth":26,"bigHeight":30,"licensing":"<div class=\"mw-parser-output\"><p>I edited this screenshot of an Android icon\n<\/p><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"http:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a><br>\n<\/p><\/div>"}
    Play Store (Android), then do the following:
    • iPhone — Tap Search , tap the search bar, type in firefox focus , tap Search , tap GET to the right of the Firefox Focus icon, and enter your Touch ID or Apple ID when prompted.
    • Android — Tap the search bar, type in firefox focus , tap the "Search" icon, and tap INSTALL under the Firefox Focus heading.
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/7f\/Block-Pop%E2%80%93ups-in-Firefox-Step-29.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-29.jpg","bigUrl":"\/images\/thumb\/7\/7f\/Block-Pop%E2%80%93ups-in-Firefox-Step-29.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-29.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Once it finishes downloading, tap OPEN in your app store, or tap the purple-and-white Firefox Focus app icon.
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3d\/Block-Pop%E2%80%93ups-in-Firefox-Step-30.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-30.jpg","bigUrl":"\/images\/thumb\/3\/3d\/Block-Pop%E2%80%93ups-in-Firefox-Step-30.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-30.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    It's in the upper-left corner of the screen.
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/50\/Block-Pop%E2%80%93ups-in-Firefox-Step-31.jpg\/v4-460px-Block-Pop%E2%80%93ups-in-Firefox-Step-31.jpg","bigUrl":"\/images\/thumb\/5\/50\/Block-Pop%E2%80%93ups-in-Firefox-Step-31.jpg\/v4-728px-Block-Pop%E2%80%93ups-in-Firefox-Step-31.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Since Firefox Focus both includes and activates by default an aggressive ad blocker, you'll be able to browse without having to worry about pop-ups.
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      Tips

      • In addition to having a built-in pop-up blocker, Firefox Focus has several security features which make it a safer browser than vanilla Firefox.
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      Warnings

      • Even with ad blockers and the proper settings, you'll still occasionally encounter pop-ups.
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      References

      1. ↑ https://support.mozilla.org/en-US/kb/pop-blocker-settings-exceptions-troubleshooting#w_pop-up-blocker-settings

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