If you are setting up Acrobat DC for the first time, see Download and install Acrobat DC subscription.
Click one of the options below depending on whether the previous computer on which you were using your subscription is available. Then follow the instructions.
If you cannot sign out of Acrobat DC because the computer or device is no longer available, deactivate the computer or device from your Account page as explained in the steps below. Once the computer or device is deactivated, you are signed out of Acrobat DC. You can then sign in to Acrobat DC using another computer or device.