Mozilla officially released Firefox 43 64 bit version for the Windows users. The 64bit version is released for the users who uses Windows 7 or higher versions. This version can be downloaded from the Mozilla Firefox official download page. Select the download button close to your prefered language in the Windows 64bit column to get it.
The new version both 64bit and 32 bit editions is coming with more features added to the private browsing section. It will let you to block additional trackers in Private Browsing with Tracking Protection.
Mozilla warns users about the limitation of plugin support on this 64 bit version. The plugins running fine on the 32 bit version of Firefox may not work on this 64 bit version. Mozilla posted about this two months back.
Mozilla intends to remove support for most NPAPI plugins in Firefox by the end of 2016. Firefox began this process several years ago with manual plugin activation, allowing users to activate plugins only when they were necessary. This decision mirrors actions by other modern browsers, such as Google Chrome and Microsoft Edge, which have already removed support for legacy plugins. Moreover, since new Firefox platforms do not have to support an existing ecosystem of users and plugins, new platforms such as 64-bit Firefox for Windows will launch without plugin support. Read More