Also, if you are able to run Java, you can also click Allow and Remember to place the site on Firefox’s “Allowed” list. Note: Before we get started on this method, you need to understand the limitations of it. Due to security issues, current versions of Firefox do NOT support Java, nor will future versions. To enable Java content, you will have to install an old, 32-bit version of Firefox and then manually add the Java plugin. This is possible on Windows computers, but Firefox for Mac defaults to 64-bit, making it impossible to install Java for Firefox on a Mac. Using an old version of Firefox increases the risk of contracting a computer virus or running into malware.Closing and re-opening Firefox may result in Firefox updating, which will render Java unusable. And certainly, you can never update your old version of Firefox, as doing so will remove your Java support.However, if you still want to proceed, use the following steps. This is where you can download the last version of Firefox that supported Java.Ĥ.Ĭlick Install at the bottom of the Java window.ģ.Double-click the downloaded Java setup file.You will need to download and install Java before you can install it as a plugin in Firefox.Ģ. zip link near the bottom of the list of links on this page.ĥ. Click the Extract tab at the top of the window.Or, click extract all in the resulting toolbar.Click Extract at the bottom of the pop-up window.ħ.Double-click this folder, which is near the top of the window, to do so.ġ0.ĭouble-click the folder (not the ZIP one) to open it.Ĩ. Scroll down and double-click the Firefox app icon. Type about:config into the Firefox address bar and press Enter, then do the following: This will prompt the Firefox 51 app to open.ġ1.Click I accept the risk! when prompted.Click the search bar at the top of the page.

Double-click the result to change its value from “true” to “false”.Be sure to click Not now or Ask later if ever prompted to update.It’s in the upper-right side of the window. This puzzle piece-shaped icon is on the menu.

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