Upgrades and Patches The 64 and 32 bit Java installations are separate from each-other.Java is available on Microsoft Windows in 64 and 32 bit versions, allowing users to get the appropriate version for their system.Users can even run both side-by-side for 64 bit operating systems.Getting the right version End-users should visit Java.com and click the Free Java Download link.
Java 32 64 Bit 32 Bit Java InstallationsThe site will auto-detect the web browser and serve the appropriate download. For an explanation of how the website makes that determination, please see Which Java download should I choose for my 64-bit Windows operating system. Java with 64 andor 32 bit web browsers Users that run Applets and Web Start applications through web browsers should choose the version of Java that matches their web browser. Generally speaking, 64 bit browsers run only 64 bit plugins and 32 bit browsers run only 32 bit plugins. As of mid-September 2014: Internet Explorer provides both a 32 and 64 bit executable. Users should match Java to the version they use, or use both Java versions. Java 32 64 Bit Mac Applications AreMost Mac applications are 64 bit, in particular the Safari and Firefox browsers. Chrome on Windows is currently 32 bit with plans to use 64 bit. Mozilla Firefox on Windows is 32 bit, showing 64 bit as a Tier-3 platform. Linux is similar to Mac in that most browsers are already 64 bit. When you have a choice, there are many benefits to choosing 64 bit. If you cannot choose or do not know which you should choose, you can run both the 64 bit and 32 bit Java on the same computer. The relevant plugins will be available for both browser types, and system-wide configurations like Deployment Rule Sets will automatically apply to both When running both 64 and 32 bit versions on a Windows client, there will be two installations: C:Program FilesJavajre8 The 64 bit version, available for local processes and 64 bit browsers like Internet Explorer (64 bit). C:Program Files (x86)Javajre8 The 32 bit version, used currently by browsers like Firefox and Chrome. Any configuration changes made to the runtime itself (e.g. Advanced Windows users that run local Java programs may want to check the following attributes as well: The PATH environment variable, to ensure that the preferred Java path is listed first. The JAVAHOME environment variable, if set, should point to the preferred Java. The file associations for.jar and.jnlp files. On my system, I open them with my 64 bit Java. In the above examples on my system, I have chosen 64 bit each time. To do that, I also changed my browsers around to use the 64 bit version as the default and installed a separate 32 bit Java specifically for my Firefox client.
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