Gotv subscription is done monthly for the Gotv Value and Gotv Plus packages. The same can be said of the Lite package although, with this package, it is possible to pay either quarterly or annually.
The Gotv Kenya payments can be made through Mpesa Business Number 423655. Or if you have Airtel Money, Business Name is Gotv.
You could also pay using Visa Card, PesaPal, Craft Silicon, or through local banks.