Java download

Automatic OS detection download - http://www.java.com/en/download/inc/windows_upgrade_xpi.jsp
Manual download - http://www.java.com/en/download/manual.jsp
Installation instructions - http://www.java.com/en/download/help/firefox_online_install.xml
Verify Java installation - http://www.java.com/en/download/installed.jsp
Remove older versions - http://www.java.com/en/download/faq/remove_olderversions.xml, http://www.java.com/en/download/uninstall.jsp
Change automatic update settings - http://java.com/autoupdate