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How do I enable Java in my web browser?

This article applies to:
  • Platform(s): Windows 7, Vista, Windows XP, Windows 2000, Windows 2003, Macintosh OS X


Even after installing Java, Applets do not run.


Java is not enabled in the web browser. If Java is already installed but applets do not work, you may need to enable Java through your web browser.


Please follow these instructions to enable Java though your Web browser.

Browsers for Windows

Internet Explorer
  1. Click Tools and then Internet Options
  2. Select the Security tab, and select the Custom Level button
  3. Scroll down to Scripting of Java applets
  4. Make sure the Enable radio button is checked
  5. Click OK to save your preference
  1. Enter about:plugins in the search field.
  2. Scan for Java and check whether Java is enabled (if the Disable link appears, Java is already enabled)
  3. Click on the Enable link (if available)
  4. (Optional) Check the Always allowed box to stop additional Chrome warnings when running Java content

Browsers for Windows and Mac OS X

  1. Start Mozilla Firefox browser or restart it if it is already running
  2. At the top of the browser, select the Firefox button (or Tools menu in Windows XP), then Add-ons
    The Add-ons Manager tab will open.
  3. In the Add-ons Manager tab, select Plugins
  4. Click Java (TM) Platform plugin to select it
  5. Click on the Enable button (if the button says Disable, Java is already enabled)
  1. Launch Safari browser
  2. Click on Safari and select Preferences
  3. Click on the Securitytab
  4. Check (select) Enable Java check box
  5. Close Safari Preferences window
Opera 4.x and Up
  1. Opera for Windows does not use Java, but an embedded version already inside the Opera Web browser.
  2. Opera for other platforms may supports Java . Please consult your Opera platform documentation.
  3. For further information, please review the following Opera Support article:
    Support for Java software in Opera

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