You must accept and agree to be bound by the terms of the End User Software Licence Agreement by purchasing Virial's software license. Click here to read the typal Software Licence Agreement. You must agree to all of the terms of this Agreement before software activation.

Virial International sells software on the shareware-like base. Free evaluation versions give potential buyers the opportunity to try the limited version of software and judge its usefulness before purchasing a license for the full version of the software, i. e.  before deciding if they buy it or not. To request Formal Quotation or Invoice (according to acquisition/purchasing rules of your organisation or company) click the link in the appropriate row of the table below. Do not forget to specify in the text of email your full name, organisation or company, postal address, email address to which your activation key will be sent, what you'd like to receive (Quotation or Invoice) and payment method you prefer. Quotations are valid for 60 days. All Invoices must be paid within 30 days by by wire transfer of by check.
After purchasing the license, you receive the activation key, become registered user, and get superb technical support and free software updates within the first-level version (for instance, from 1.1 to 1.9). We permanently work on improvement of our software. All registered users are notified as soon as the new version of programs they purchased becomes available. Registered User can download the new version and substitute your executable file by the downloaded one. No new activation code is needed. Registered Users are eligible for 25% discount for upgrading the first-level version (e. g., from 1.X to 2.X). For upgrading, please include the activation key for your version into the Quotation/Invoice request.



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Purchase
The easiest and fastest way to purchase software from Virial International is to use PayPal. Virial International, LLC is a Verified Member of PayPal. Click the seal picture to check verification. We provide discount of 10% for buyers who use PayPal. If you can pay via PayPal, just click the PayPal button in the appropriate row of the Table below. You will be redirected to PayPalís secure website to do the payment. Credit card payments trough PayPal gateway do not require to create PayPal account. We will be notified of your payment immediately and will be able to process your order with the utmost speed. As a rule, you'll receive your activation key the same day.
As soon as we receive a payment confirmation from our bank we'll send you the activation key that transforms the Evaluation version into the unrestricted, fully functioning program. Entire process (including check clearing) may take up to one week.

All prices are in U.S. dollars and are subject to change without prior notice.

Virial International recommends to purchase STEEP323 and INCA333 together with the technical support subscription: subscribers can rely on the one-year unlimited support from Virial International in resolving the most complicated computational problems of blackbody radiometry and assistance in the results interpretation.
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