Select "Pay with Bitcoin" option and then send the amount of BTC to the address specified:
If you are told to send manually the amount and you're experienced Bitcoin user, just send the amount to this Address and notify our support (or mark the payment in CFP):
(updated on August 1st 2019)
For the new Bitcoin user who wants to start using this amazing currency:
First, you will need an account on an exchange. Coinbase.com is the easiest for newbies.
Next, you will need to verify your identity, to be able to buy bitcoin. Follow their standard verification procedure, it is very straightforward and nothing you have not probably done before while, say, opening an account at a poker room. If you encounter any issues, here are their FAQ about verifying your identity.
After you have verified your identity, you can add a payment method, which will usually be your bank account, or a credit card.
Then you are ready to buy bitcoin. First you transfer the money into your wallet. Then you buy bitcoin (which will appear in your bitcoin “BTC wallet”).
Now you are ready to transfer the bitcoin. (the screenshot below is old, but you get the idea)
Enter the following bitcoin address to send the payment to BPC:
Enter the amount, Send Funds, and your payment will be sent. If you have any issues/questions with sending the bitcoin, they have an extensive FAQ section.