The device activation code can be found in the CinemaNow app on the device itself, or you can generate an activation code for your devices at CinemaNow.com. On your device, open the app, select Get Started and choose Activate Device. The device then gives you the activation code.
You can activate CinemaNow on multiple devices, giving you access to your CinemaNow library and the ability to purchase or rent movies. To input the activation code, visit the CinemaNow website, click MyCinemaNow and select Devices. This takes you to the activation code input page, where you name your devices and enter the codes.