You can simply use your credit card or pay via Paypal. All prices are shown in euros € but if you use Paypal they can be converted to your own currency. We post from France and sending outside the EU local import taxes may apply.
USBs are compatible with PCs - we are still working on the Mac versions. Our DVDs are all available in PAL (Europe) and NTSC (USA, Canada, Japan etc). We will send you the correct format or contact you to confirm.
For any questions please contact firstname.lastname@example.org