Answer: PDF can be used on all platforms ( Windows, Macintosh, Unix and Linux). The respective software is pre-installed on most computers. If not, you can download it free of charge at http://www.adobe.dom.
Question: Which program do I require to view and print out of the downloaded cover?
Answer: You will need Adobe Acrobat Reader to view and print out the cover in the PDF-format.
Question: How can I print out my downloaded cover?
Answer: With the "Adobe Acrobat Reader":
In the menu guide at the top between the minus and plus sign select the size 100%. Click the printer icon. In the print menu please select (unless already entered): Print area: all. Page setup: no. Automatic turn and center. Paper menu: select the size of paper to A4, the style of paper and the print quality. Click OK and print out.