Bitcoin Payment Venz.?

Hello guys
i want to pay with bitcoins but when i press to pay with bitcoins
there just open a white window .. nothing appears.
Can someone help me please.

Do you have a bitcoin wallet? Because you need that to pay with bitcoin.

yes i have
problem solved thank you

i wanted to buy a package 5 times so i doenst appeard
i tried to buy only one and the window appeard

But annother question is how i can buy bitcoins
I have allready bitcoin wallet and a account
But i have to confirm my bank datas and someshit
my question is can i buy bitcoins via paysafecard ?