There are a few ways to purchase a new membership. In the main menu under Art Shop dropdown
Pen and Ink
Choose either from monthly or yearly membership option.
You can purchase a membership in the art shop as well. Once in art shop navigate to the panel on your left, Their under Subscriptions you can choose betweenMonthly Subscription & Yearly subscription
When you have selected a membership plan you feel would suit you best, click on the add to cart button. The selected membership will then be available in your cart so you can keep browsing everything DFO online has to offer.