You will be prompted to activate the Photoshop CS6 beta as a part of the installation. The following activation requirements will need to be completed within seven days after first launch of the Photoshop CS6 beta or it will stop working:
If you already have an Adobe ID, you should use that one. If you do not have one, you will be prompted to create an Adobe ID as part of the Photoshop CS6 beta installation and activation process.
You must have internet access to activate the product. If you are temporarily offline during the installation process, you have a seven-day grace period after first launch of the beta during which you can connect to the Internet and perform the activation. You cannot activate the Photoshop CS6 beta on a computer that is permanently offline. Once you have completed the activation process, you no longer need to be online to use the beta.