Installing and Enabling Java

Installing Java: All Operating Systems | Macintosh OS X 10.6 and older

Turning on Java: Internet Explorer | Firefox | Safari | Konqueror

Installing Java

  1. Download the version of Java for your operating system at http://java.com/download/
  2. Follow the instructions linked from the same page to install Java on your system.
  3. You may need to restart your computer or relaunch your web browser for Java to be recognized (this includes UNIX/Linux workstations).

Installing Java (Macintosh)

Mac OS 10.6 "Snow Leopard" and older

The recommended method for installing Java is via Mac OS X's built-in Software Update feature. This ensures you have the most up-to-date, secure version of Java from Apple.

  1. Click the Apple menu and select Software Update...
    Software Update
  2. In the Sofware Update window, install all Java-related updates as well as all Security Update patches, which may contain the latest Java fixes.

You may need to restart your Mac if prompted.

Turning on Java (Internet Explorer)

Internet Explorer 4.x and Up

  1. Click Tools --> Internet Options
    IE - Options
  2. Select the Advanced Tab, and scroll down to Java (Sun). Check the box next to Use JRE ... for <applet>. Your version number of JRE will likely be different than in the screen shot.
  3. Next, select the Security Tab, and select the Custom Level button.
  4. Scroll down to Scripting of Java applets. Make sure the "Enable" radio button is checked.
  5. Click OK to save your preference.

Turning on Java (Firefox)

Firefox 1.0 and Up (screenshots are taken in Windows)

  1. Select Tools -> Options.
    Firefox Options menu
  2. Click the Content icon (in older versions this is called "Web Features").
    Firefox Options
  3. Check the box labeled Enable Java.
  4. If you do not see the search box right away, click the Reload button.
    Reload Page button

Turning on Java (Safari)

Safari

  1. Click Safari -> Preferences...
    Safari Preferences menu item
  2. In the Preferences window, click the Security tab.
    Preferences - Security tab
  3. Check the Enable Java checkbox.
  4. Close the Preferences window to save your preference.
  5. If you do not see the search box right away, click the Reload button or select View -> Reload Page.
    Reload Page button

Turning on Java (Konqueror)

Konqueror (screenshots are taken in KDE)

  1. Click Settings -> Configure Konqueror...
    Configure Konqueror
  2. In the Configure window, click the Java & JavaScript icon.
    Java-Javascript options
  3. In the Java tab, check the Enable Java globally checkbox.
  4. If you do not have Java in your path, click the folder icon next to "Path to Java executable, or 'java':" box and locate your Java installation.
    Locate Java installation

If you have problems getting Java running through Konqueror, you can view Konqueror's Java page online.

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