SCV Cryptomanager is shareware, which means that you can download a trial version of the crypto calculator, a self-extracting executable file "scvcmsetup.exe".
The downloaded program needs to be set up. Simply run it to begin the installation process. Follow instructions. You can try it out freely for 30 days to evaluate it.

If during, or at the end of, the evaluation period you decide that you would like to continue using SCV Cryptomanager, you must register your copy. You can purchase SCV Cryptomanager online. The price is $30. Online ordering supports the following Payment Methods: credit card, PayPal, Bank/Wire Transfer, Check/Money Order, Fax, Invoice.

All registrations use the SECURE protocols. It is impossible for a third part to intercept your credit card information.