The best way to purchase Thread Validator is online from Software Verify Limited - just click the Purchasing link at the top of the website.
There are options for single or multiple licenses, per-user or floating licenses, and although you can of course purchase it as a single product, you can save significantly by buying Thread Validator as part of a suite of products. All the details are online.
If you have any pre-purchase questions not answered in this help manual, or niggling little doubts about something, we can be contacted as below.
email: firstname.lastname@example.org (recommended)
or by old fashioned post:
Software Verify Limited
Suffolk Business Park
Bury Saint Edmunds
If you need support after purchase, check our frequently asked questions and then drop us a line below with as much detail as possible about your problem.