please tell me

how can we update a mcfee, i have mc fee 9 version how can i make it version 11 by update it. is there any files those we can always use to make any 9 version to 11. tell me about site and file and procdedure of this

it is not illegal.

"it is not illegal."

If the above is true, then the program itself should allow a version update. If not, then you'll have to purchase a newer version.