Automatic registration is attempted during the installation of Statistica.  If automatic registration fails during installation, automatic registration may be attempted after the install.  

Note:  Does not apply to DBR (Domain Based Registration), Trials, or any other installs requiring a validation email process.  

This article outlines the steps to register for the full Statistica license file automatically.

Windows operating systems only.

The software registration process can fail for several reasons including exceeding the allowed number of installations for a serial number, lack of internet connection on the installed machine, incorrect serial number, or other technical difficulties.

1.  Ensure that the computer is connected to the Internet, and verify your serial number.
2.  Start Statistica.
3.  If the Statistica Licensing dialog box is displayed, click the Register button. If the Statistica Licensing dialog box is not displayed, select the File tab. In the left panel, click Help/Support. In the right panel, under the Support heading, click Register.
4.  Select Automatic and click the OK button.
4.  Find the StatSoftRegistratration.txt file (either here C:\Program Files\Statistica\Statistica <version #>\ or for concurrent installs the location is typically here <local server drive>:\Program Files (x86)\Statistica\Statistica <version #>\
5.  Click Open and automatic registration should complete.

Related knowledge base articles:
What is the process for installing Statistica on a different computer (single-user desktop version)?
How Statistica licensing and registration works
How to un-install and un-register Statistica (single-user desktop)