In the Internet Explorer 6/7/8 under Tools / Internet Options / Advanced the JRE 1.6.(v) should have inserted itself under Java (SUN)
7. In the Mozilla Firefox 10 (32-bit) under Menu / Add-ons / plugins Java Plug-In must be listed and enabled.
8. In the Crome (32-bit) under Customise and control / Options / Under the Bonnet / Content settings .. / Plug-ins / Java must be enabled.
9. In the Opera (32-bit) under Menu / Settings / Preferences / Advanced / Enable plug-ins must be enabled.
10. In the Safari (32-bit) under Safari settings / Preferences / Security / Enable Java and Enable plug-ins must be enabled.
11. Java 7 introduces changes to the Java browser plug-in behavior
that enable you to make more informed decisions before running the Java
applet in the browser. A security prompt asks for confirmation before allowing Java content to run in the browser.
12. Applet example in IE 32 bit with Windows 32/64 bit or IE
64 bit with Windows 64 bit
13. Applet example in Mozilla Firefox 32 bit with Windows 32/64 bit.