how to add plugin to internet explorer

that i want to add a new class to ie


like flash class

flash should already be in internet explorer.
but if not, then go to discovery.com and if you don't have
flash then it will prompt you to go and download it

>-----Original Message-----
>how to add plugin to internet explorer
>
>that i want to add a new class to ie
>
>
>like flash class
>.
>