How to Enable Java in Firefox Browser

Do you want to use your Firefox browser to visit a website that turns under the Java Technology? You have already installed Java on your Desktop but your Firefox browser says, “No Java recognized”. In this article, we are going to tell you the several methods to enable Java in Firefox browser. Your mind may be surrounded by the questions that how do you install and enable Java in your Firefox browser? Let’s get rid of this question and move to the following discussions.

Firefox and Java – about installing java

Before discussing enabling Java in Firefox, let’s know something about Java installation process.

How to install java?

Step1:

Download the Java from its website. You can visit here(https://www.java.com) to download Java.

Step2:

Click on the bar showing ‘Free Java Download’.

Step3:

Now a bar shows ‘Agree and Start Free Download’, tap on this bar to agree and start the Java.

Step4:

Now open the downloaded file to install it in your system.

Step5:

After finishing the installation, close the window and open the Java System.

Step6:

After completion of the following steps, you should have to verify your Java version.

How to Enable Java in Firefox Browser

After installing Java on your computer, let’s move to the solution of how to enable Java in Firefox browser. There are three different methods and steps in there. So here are these three methods-

  • By Allowing Java Content on Website Running on Firefox
  • By Enabling All the Java Content in Firefox
  • By Enabling JavaScript in Firefox.

By Allowing Java Content on Website Running on Firefox

You can enable Java by allowing Java content on the particular website running on Firefox.

Step 1:

Open your Firefox browser on your desktop.

Step 2:

Visit the site that uses Java technology, if there is any particular site that uses java.

Step 3:

Now wait for the Java prompt to appear and you will see the bar showing Java Activation Permission or something similar. Activate the plugins.

Step 4:

Click on the ‘Activate’ to enable the Java for the particular website.

Note: if there is any other options are appearing like ‘Disabled’, ‘Unsupported’ or other instead of ‘Activate’, then you cannot run the site.

Step 5:

Click on ‘Allow’ when prompt on your screen to allow the Java enabling.

Step 6:

You can also click on ‘Allow and Remember’ to set the site on Firefox ‘Allowed’ list.

By Enabling All the Java Content in Firefox

You can enable Java by enabling all the Java content in Firefox. Follow these steps given below:

Step 1:

To enable java content, you need to install the old 32-bit version of Firefox and manually add the Java Plugins. But it has certain limitations:

  • Increases risk of contracting a computer virus or running into malware, as you use the older version.
  • You can never update the older version, if you do, you will lose Java Support.

Step 2:

Open your Firefox browser on your desktop and now download the Java in your system.

Step1:Download the Java from its website. You can visit here to download Java.
Step2:Click on the bar showing ‘Free Java Download’.
Step3: Now a bar showing ‘Agree and Start Free Download’, tap on this bar to agree and start the Java.
Step4: Now open the downloaded file to install it in your system.
Step5: After finishing the installation, close the window and open the Java System.

Step 3:

Now download the older version of Firefox by visiting Firefox 51.

Step 4:

Click the firefox-51.0b9.win32.sdk.ziplink to download the zip file of 32-bit of Firefox browser.

Step 5:

Now open and extract all the zip file folder content.

Step 6:

Open the extracted firefox-51.0b9.win32.sdk.zip.

Step 7:

Open the folder firefox-sdk.

Step 8:

Open the bin folder and scroll down to open Firefox.

Step 9:

Now follow these steps:

Step 1: Open your Firefox browser on your desktop.
Step 2: Now type ‘about:config’ on the location bar of the Firefox browser.

Step 3: Now, there is an icon showing ‘I accept the risk!’ click on the icon bar.
Step 4: There are so many scripts showing on the screen, search for ‘javascript.enabled’.
Step 5: If you will see ‘True’ below the ‘Value’ on the right side of the page, then your JavaScript is enabled already as it’s a default setting in your Firefox browser.

Note: if you see ‘False’ on the ‘Value’, then proceed to the next step.

Step 6: Change your JavaScript from false to true if needed.

Step 10:

Now click on the Plugins on the menu bar under Add-ons.

Step 11:

Now go on ‘Java™ platform’ option>click Always Activate.

By Enabling JavaScript in Firefox

You can enable Java by enabling JavaScript in Firefox. Just follow these steps given:

Step 1:

Open your Firefox browser on your desktop.

Step 2:

Now type ‘about:config’ on the location bar of the Firefox browser.

Step 3:

Now, there is an icon showing ‘I accept the risk!’, click on the icon bar.

Step 4:

There are so many scripts showing on the screen, search for ‘javascript.enabled’.

Step 5:

If you will see ‘True’ below the ‘Value’ on the right side of the page, then your JavaScript is enabled already as it’s a default setting in your Firefox browser.

Note: if you see ‘False’ on the ‘Value’, then proceed to the next step.

Step 6:

Change your JavaScript from false to true if needed.

Or you can ask for help from MOZILLA SUPPORT CENTER by clicking on the link here (https://support.mozilla.org/en-US/questions/new/desktop/fix-problems/form?search=Firefox+crashes&step=aaq-question), if nothing of the above steps or fixes work.

Final words

So, here we are with all efforts to proffer you with the solution. These are the best method to enable Java in Firefox browser. You can go and try then to get the best result; you can also help your friend and family if they get any problem regarding enabling Java through this article. Hope, we gratify your searches over how to enable Java in Firefox browser. Let us know your queries and suggestions in the comments section below.

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