Despite the fact that Mozilla Firefox is one of the most used web browsers in a multitude of operating systems, the truth is that its use is not only limited to use with an Internet connection. And it is that, sometimes it is possible that you need to open a web page downloaded offline, or that for some reason such as development you need to access a browser.
However, the problem is that When downloading the standard Mozilla Firefox installer for Windows, an active Internet connection is required to install of said program, basically because the necessary files are downloaded from the program itself. Now this is not the only option.
How to download Mozilla Firefox offline installer to install without Internet
As we mentioned, if you need to install Mozilla Firefox on an offline computer, you will have to download a specific installer. This should integrate all the files necessary for this, so that you will not have any problem when running it on a Windows computer even if it does not have Internet access.
To download it, what you should do is access the Mozilla download web page, where you will find the various installation options for Mozilla Firefox. Then you will have to click on the button "Advanced installation options and other platforms", to display all the operating systems for which Firefox is available. Finally, you will only have to choose on the right between 64-bit Windows y 32-bit Windows depending on your equipment, and then the installer download will start automatically.
Finally, you just have to move the installation file in question to your computer without an internet connection (You can achieve this by using an external memory, for example), and then run it and follow the different instructions indicated. If everything goes well, in a matter of seconds you will be able to access Mozilla Firefox without problem from your computer.