Note: This method may not work on Windows systems, as some users have reported that the serial number is not shown in the System Info dialog box.
The last 4 digits are kept âœsecretâ and only known to the purchaser. The serial number is the first 20 digits of this code. You should see a 20-digit number followed by a 4-digit number. Search for the word âœSerial Numberâ in the text. Use Copy to Clipboard and paste the copied text in a text editor, such as Notepad or Word. Launch InDesign CS6 and go to Help > System Info.
