If you are on a restricted computer where you cannot run installers, unzipping a folder and launching the executable often works.
It avoids adding entries to the Windows Registry or creating permanent folders in your system directories. How to Find the Official Firefox Zip/Archive download firefox zip
You can run Firefox directly from a USB stick or external drive without leaving data on the host computer. If you are on a restricted computer where
Most users are familiar with the .exe or .msi installers that guide them through a setup wizard. However, the zip version—essentially a "portable" or "no-install" package—serves several specific purposes: Most users are familiar with the
Mozilla does not always feature the zip format on its primary marketing pages. To get a legitimate, safe version, you should use the official . mozilla.org Directory Listing: /pub/firefox/releases/ - mozilla.org
For users who need to run a web browser without the typical installation process, finding a download is the ideal solution. Whether you're a developer testing different versions or a user who wants a portable browser on a USB drive, the zip (or archive) format offers flexibility that the standard installer cannot. Why Download Firefox as a Zip?
Developers can easily run multiple versions of Firefox (e.g., Nightly, Beta, and Release) side-by-side without them interfering with each other.