There are actually a few different ways you can remove Firefox from your computer. For simple removal, you can select the "Add/Remove Programs" icon in the "Control Panel", and then select "Firefox" and click "Remove".  Is that what you want to do?
assitant
Well, you should first make sure you’ve closed all Firefox windows, so that the Firefox application isn’t still running and using resources.
assistant
How do I uninstall a program from my computer?
user
There are a few different ways to do this. What’s the program you’re trying to uninstall, and why do you want to uninstall it?
assistant
I am trying to uninstall firefox.
user
Do you want to remove Firefox and all of its settings and data from your system, or just the firefox application?
assistant
I want to remove everything.
user