Hello, If you have Windows 7 running on that computer, surely you must have Microsoft's own web browser [https://en.wikipedia.org/wiki/Internet_Explorer Internet Explorer] installed? You can download and install Firefox with that. # Open Internet Explorer # Navigate to getfirefox.com # Download and install Firefox If you don't have any browser on that Windows 7 machine, you could also [https://www.mozilla.org/en-US/firefox/all/#en-US download Firefox] from another computer and [http://lifehacker.com/5817383/how-to-copy-and-paste-files-to-a-usb-memory-stick copy it onto a USB stick] and use that to install it on your Windows 7 computer.

Well said.