A FileBoom activation code (or voucher) is an alphanumeric string that unlocks like:
(Invoking related search terms for further research.)
These are 100% scams. They either:
: A code can only be activated once. Check your "Account Summary" to see if the premium time has already been added.
: Access files at the highest possible speeds without artificial caps. Multiple Downloads : Download several files simultaneously. No Waiting Times