The newest version of Firefox now (18th September 2011) is 6.0.2, for Winows. I'm not sure about Mac and Linux. Checkout on www.mozillafirefox.com
Yes. Mozilla Firefox up to the latest version is currently compatible with Windows 2000.
It is Mozilla Firefox 3.5.2, I actually JUST downloaded it like a minute ago!
Point your arrow to the Firefox word across the top of your screen. Scroll just one space to "About Mozilla Firefox", click on it and that box will tell you what version you have.
If you have an Apple Mac, you should download the latest version of Firefox for macOS from the official Mozilla website. Make sure to choose the version compatible with your macOS version, as Firefox typically supports the latest macOS releases. The installation file will be in .dmg format, which you can easily install by dragging the Firefox icon to your Applications folder.
Microsoft has a download center where the latest version of Internet Explorer can be downloaded. Google Chrome and Mozilla Firefox are other well-known internet browsers.
The latest stable version is 25.0.1
The latest version of Firefox is always considered to be "better." As of right now (3/28/2011), the latest and "best" version of Firefox would be Firefox 4.0.
Make sure you have the latest version of JRE installed. If not, visit: http://java.com/en/download/ If this still doesn't seem to work for you, try running the website using Mozilla Firefox. Mozilla Firefox can be downloaded for free from here: www.mozilla.com
It is a web browser, very much like Internet Explorer or Mozilla Firefox To get the latest version, go to http://www.apple.com/safari/download/
You have to download the dictionary plug-in. The latest versions of Mozilla don't come with it pre-installed,
The full release version of Firefox 4 should be out around November 2010. Now the Firefox 4.0 beta 4 has been released, it supports Direct2D. And later, Mozilla will release the Firefox 4.0 beta 5.
Latest version Firefox 5.0 Beta 1. In my experience, It is the best.