be sure that your Browser  accepts Cookies!

After the payment your Browser should redirect you to the downloadpage. Otherwise please contact me.

Note: If you got a message like: "You have requested an outdated version of PayPal. This error is often the result of using bookmarks. To enter the PayPal website, please click on the Welcome tab.
If you are already logged in, please click on the My Account tab to continue."   You just need to delete your Cookies because they are old. then it will work fine again. Cookies have to stay fresh;-)