The following pricing information concerns the N.American Servers:
The game client cost is US $49.98 and this comes with a month of gametime. Residents of the European Union will be charged +VAT 19%

The monthly subscription to access the game servers and receive the latest updates to the game costs US $14.99. 
EU residents add +19% VAT to this price.

There is a 3 month subscription option for US $40.47 (a 10% discount) and a 6 month subscription option for US $76.45 (15% discount). EU residents add +19% to these prices.

Payment methods include Credit cards (Visa, MasterCard, American Express ) Carte Bleue, JCB and PayPal. 

Information on downloading the Darkfall client can be found HERE