See here for a tutorial on how to register the Porsche Piwis 3 diagnostic software
3.When click “Create key”,click yes continue,click “print key”;Open a new window and find three columns of numbers in the table on the right. This is the ID number used to register the software.
4.After obtaining the registration number, reopen Home-Imprint and certificates;
6.If the registration was successful after restarting the computer, the color of all software options in the start window will change. Click Diagnostics to bring up the vehicle diagnostics window. The Porsche Piws 3 system can be registered multiple times.