I have two laptops, one with Firefox and the second with Internet Explorer. I cannot get inline with the laptop with I.E. How can I get Firefox on the PC with internet explorer?
I guess a web browser can be useful even if your laptop can't actually go on the web...
You can save the Firefox installer to a USB flash drive (or other removable media) to copy it to the second machine. Get the installer for the relevant operating system and language here:
Do you also want to copy over your settings (e.g., bookmarks, passwords, history, etc.) to the other computer? This article might help: Recovering important data from an old profile.