You must first go to Your Account page, and then associate both subscriptions with one of the serial numbers. In this case, each subscription is associated with a different serial number. You want to merge two product subscriptions that you purchased with the same account at a different time so that the subscriptions have the same renewal date. Updating your user credentials ensures that you don’t need to uninstall and reinstall the product. This topic describes two typical cases in which you need to change your account settings and then update your user credentials in the installed product to match the new account settings. When you authenticate your product to access online features and content, you sign in with a specific account, associating the product with that account and its email address.
For each account, a unique email address and password are required.
