If you speak german you can use the german software contract and purchase order form (pdf file), which you can open or save (right mouse button - save as) . Fill out the form directly at the screen or by hand. Mail it or fax it to the address specified in "Address / Mail". Part of the purchase order form is the license agreement for PatBot and BaconPdf. Note that your form inputs at the screen cannot be stored with the Adobe Reader.
Alternatively you can order the software via e-mail.
The software will be sent off after receipt of the order by E-Mail. The invoice will posted under separate cover.