Yes. However, Mozilla does not officially support the 64-bit build on Windows yet. You can find some downloads for unofficial 64-bit builds for Windows in the Related Links section.
There is not. And that is because 64bit can run 32bit, but 32bit has problems running 64bit.
Did you install a 32bit version on a 64bit machine. If it says you need a 64bit copy when you install then you do. If you were just updating then redownload and reinstall.
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.
Latest version Firefox 5.0 Beta 1. In my experience, It is the best.
bata was windows xp 64bit
Yes, 64bit version as well
Yes we can provided it is a trial Version.
No, but there is a generic Firefox Portable.
NO version of AOL works with Windows 7 64 bit
gNewSense (uses an unbranded version of Firefox called IceWeasel)Debian (uses an unbranded version of Firefox called IceWeasel)Nova (uses an ubranded version of Firefox called IceWeasel)LinuxTLE (uses an ubranded version of Firefox called IceWeasel)ESUN Linux (uses Epiphany)
The latest stable version is 25.0.1
You probably haven't updated your Firefox version. Check Menu Bar > Help > About Firefox to check the version. Firefox 3.5 is the version that offers HTML5 Video support. You can get the latest version at http:/getfirefox.com