Firefox
Start Mozilla Firefox browser or restart it if it is already running
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.
In the Add-ons Manager tab, select
Plugins
Click
Java (TM) Platform
plugin to select it
Click on the
Enable
button (if the button says
Disable
, Java is already enabled)
Parent topic:
Browsers for Windows and Mac OS X