If your player isn't redirecting to PayPal when the Buy Now button is pressed, this is probably because you have copied the wrong player code. When copying player code there are 2 boxes to choose from, if you're player isn't redirecting to PayPal, copy and paste the code from the box at the bottom and this should solve your problem.

Please always test your Buy Now button as soon as you've embedded the player onto your website. If you player doesn't redirect to PayPal, you cannot make sales.