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Click "Run" in the window that appears.Java will need to be allowed on each site you use it on, as enabling it universally is a major security threat. Click "Allow and Remember" in the box that appears.Make sure you close all open Firefox windows. You'll need to restart Firefox in order for the Java plugin to start working. Restart Firefox after installing Java.
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This will prevent your browser homepage from getting changed during installation. During installation, uncheck the boxes to decline the installation of additional software.
FIREFOX ENABLE JAVA PLUGINS INSTALL
Follow the prompts to install the Java software. Click the Downloads button in the Firefox toolbar, then click the Java setup file. This will begin downloading the installer. Click the "Agree and Start Free Download" button.Visit in Firefox and click the "Free Java Download" button.You'll need to install the Java plugin separately before you can access Java content. You can download the 32-bit version by visiting /en-US/firefox/all/, scrolling down to "English," and then clicking the first Windows download link.If you found in the previous step that you're using the 64-bit version of Firefox, you'll need to install the 32-bit version to use Java. Download the 32-bit version of Firefox if you're using the 64-bit version.
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If you see "Win64" or "圆4," you're using the 64-bit version and can't use Java. If it says "WOW64," you're using the 32-bit version and can use Java.