There are no 64-bit versions of the Java Plugin, Java Web Start or Java Control Panel; however the 32-bit versions of the JRE can be installed on 64-bit systems in order to obtain this functionality.

If you're running a 64-bit version of Windows 7 or higher there's finally a version of Firefox designed to take advantage of your system.

In the end, Mozilla simply decided to disable Windows 64-bit nightly an hourly builds for the browser. The developers consider the "discussion closed" unless critical new information is presented.

In addition to the unveiling of a 64-bit version of Firefox, Mozilla has also enhanced its Private Browsing and Tracking Protection feature.