To vote a contestant of choice you have to click on the image of the contestant, two options will be displayed "Vote" and "Boost"

Clicking on "vote" it will prompt you to create a voting session with AfricaVotes, You can use either your Linkedin, Google, Twitter or Facebook Account.

The other option is "Boost", you only need to select the votes and the currency, after that follow the prompts from the payment window that is displayed to you, Note: You can always change the payment method at the bottom of the payment window to your favourite.