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. If you still use the old Firefox version, you can upgrade to the current version which has cool features and UI or stick to the end of this post where I will show you how to add trusted site to Firefox on older versions. The Firefox icon on your PC resembles a red-and-orange fox wrapped around a blue globe.

Firefox installations on Windows have been simplified with the online Firefox Installer. This streamlined installer removed the Options page which allowed you to change settings such as the installation folder and whether to add program shortcuts. How to download and install Firefox on Windows explains how to install Firefox with standard options using the online Firefox Installer.

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  • Custom installation of Firefox on Windows Firefox installations on Windows have been simplified with the online Firefox Installer. This streamlined installer removed the Options page which allowed you to change settings such as the installation folder and whether to add program shortcuts.
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This article explains how to customize your installation with the full, offline Firefox Setup file and the options that are available.

Table of Contents

  • 2How to install Firefox with custom settings

You can download the Firefox Setup file in your language, from this Firefox download page.

Note: You can install the 32-bit version of Firefox on 64-bit Windows but 64-bit Firefox is recommended (see this blog post for details). On 32-bit Windows systems, only the 32-bit version of Firefox can be installed.

When you run the Firefox Setup file, the Mozilla Firefox Setup Wizard will open.

After clicking you can choose a Standard or Custom installation. The Standard setup will be selected by default.

A Custom setup lets you choose the folder where Firefox program files will be installed, as well as which shortcuts to create. These options are not available in a Standard setup. Select the Custom setup type and click .

Choose where Firefox is installed

The next step is where you can choose a different Destination Folder, which is where the Firefox program will be installed.

C:Program FilesMozilla Firefox is the default folder path on 32-bit Windows. It's also the default location on 64-bit Windows when the 64-bit Firefox version is installed.

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When the 32-bit Firefox version is installed on 64-bit Windows, the default folder path is C:Program Files (x86)Mozilla Firefox

You can change the folder where Firefox will be installed either by manually typing the location of another folder on your computer or you can click to select a new folder.

  • Space required: The amount of space on your hard drive that's needed to install Firefox.
  • Space available: The amount of space available on your hard drive.

Click to continue.

Choose optional components

In the next screen you can choose whether to install the optional Mozilla Maintenance Service which allows application updates to occur in the background, without requiring you to click in the Windows User Account Control (UAC) dialog. For more information, see What is the Mozilla Maintenance Service?.

Note: This option may be missing in some cases, as when installing Firefox with a limited user account or when the Mozilla Maintenance Service is already installed.

Choose shortcuts

  • On my Desktop: You can choose to create a Firefox shortcut icon on the Windows Desktop.
  • In my Start Menu Programs folder: This will create a Firefox shortcut icon in the Windows Start Menu Programs folder.

After choosing which Firefox program shortcuts to create, click .

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The Summary that comes up next will show the folder location where Firefox will be installed.

  • Check mark Use Firefox as my default web browser if you want Firefox to start up when you open a link in your mail application, an Internet shortcut, or HTML document. For more information, see Make Firefox your default browser.
Note: The option to make Firefox your default web browser will be missing if you don't have permission to set Windows Registry keys or if you are installing Firefox over an existing version and Firefox is already the default browser.

If you are reinstalling Firefox over an existing version, you'll see an button instead of an button.

Click or to complete the installation. When Firefox is finished installing, the 'Completing the Mozilla Firefox Setup Wizard' screen will appear.

Click . This will start Firefox unless you first clear the 'Launch Firefox now' checkbox.

Congratulations, you are done installing Firefox!