When you launch the Readiris ™ software for the first time, you are prompted to enter your serial number.You can use Readiris ™ for 30 days without activation key by selecting "Register later" when the program starts.For a software key, you must select "Register Readiris". You can choose between two possibilities.Click the "Request Key" button to send the key request. You will receive the key by e-mail within 24 hours.