Thunderbird installer

What is Mozilla Thunderbird?

Mozilla Thunderbird is a mail & news client based on Netscape Gecko and Mozilla MailNews. It is a free, standard-compliant and user-friendly product.

Mozilla Thunderbird has a lot of great features over the normal MailNews program: Customizable toolbars, extensions management, themes, etc.

Here are some other useful links about Mozilla Thunderbird:

If you need help (don't know how to install plugins, what is an extension, etc.) you can read the help site (with the Mozilla Thunderbird FAQ, some tips, all the keyboard shortcuts, themes, etc.) maintained by David Tenser. It's very useful and often updated.

You may also want Mozilla Thunderbird to have a different look. If so, just go to the themes sections of Mozilla Thunderbird Help.

The installer

The official Mozilla Thunderbird releases and nightly builds for Windows are currently only offered in zipped version. Since I think it isn't the more user-friendly way to install a program, I've made a Windows™ installer for Mozilla Thunderbird, using NSIS.

Here are some of the features of the installer:


If you want to download and install Mozilla Thunderbird, follow the links in the "Download Thunderbird" section. Milestone releases are official releases.

Download Mozilla Thunderbird

Note: If you receive a 404 error when clicking the links - it is not because the installer is not uploaded, it is because the files are not yet mirrored to all the servers, by

The following files are what I use to make the installer. You don't need them, unless you want to make an installer for your program too.

Installation scripts

You can also find these files in's WebCVS:


Web standards
Source of the PHP scripts
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functions.php (version )