Registration is free. After registration You will get access to the system in OPEN version.
To get access to the COMMERCIALversion you should paste purchased registration code.
As a OPEN user in any time you can purchase the registration code for theCOMMERCIAL version. To do this go to account settings and paste registration code.

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I accept the terms of use which are described here. link
Yes, I agree to the processing of my personal data by for purposes related to the operation of the RS Roofs. Privacy policy