Quality Gate One Studio will soon be available for purchase.
In the meantime you are welcome to try the fully featured version of Quality Gate One Studio for free.
Try Quality Gate One Studio
To learn more you are welcome to try out a fully featured version of Quality Gate One Studio.
Download the ZIP file, save it to your local hard drive, then unblock it (right-click → properties → Unblock), extract it and follow the instructions in readme.txt.
The archive contains a couple of samples to get you started.
About Parameterized Validation
Parameterized validation simplifies validation logic and improves maintainability of test.
About Lazy Validation
Lazy validation is a validation method to perform better validation with less effort.