You have to:

1. Sign in with your site's profile.
   
2. Download the full version of our software (if you are unathorized you will download demo-version that can not be activated). After authorization of the user with payed licenses links to a demo-version will become links to the full-version of the software (on the main page and in the "Download" section). Be attentive!
   
3. Install full version. When see a question about files' replacement say "yes" except YAZZLE.INI file.
   
4. Run the full version using shortcut on the "Desktop".
   
5. In the program's Menu item Help > Activate... you need to get authorization's code (it is unique for every separate PC).
   
6. Go to site's section "Management of licenses" (accessible only when you are signed-in). Put an authorization-code in the proper field and generate registration's code ("Generate and save" button).
   
7. Received registration-key you should enter in the activation-window of the program (the re was a code for authorization formed, look at (3)).
   
8. Restart the program. In case the activation was done in the main-window's heading the words "unactivated copy" will disappear.