All shareware applications may be used up to 30 days without registering. After this period, you decide if you further want to use them or not. After buying a licence, you will receive your personal unlock key by e-mail.
all freeware applications are provided as is. No support is warranted and you use the software at your own risk.
Commercial software is usually custom built. You will receive the unlocked software after buying, by CD (snail mail) or via a individual download link,.