If you are purchasing Version 11 (new license or update) as part of this order, or you already have version 11, you have the option of purchasing an Update Subscription.
An Update Subscription will provide you with each new release of RATS, automatically sent to you electronically as soon as it is released. For single-user licenses, the subscription will provide all updates through and including RATS Version 12.0. The price for a subscription is $125 for WinRATS or MacRATS either Standard or Pro levels.