"We are unable to activate [product name]. Product activation is required to use this product..."
"Either your computer is offline or the clock on your computer is set incorrectly, causing a connection error. An Internet connection is required. Please connect to the Internet or adjust your clock and try again."
"Please connect to the Internet and retry."
Error codes, messages, and related solutions
I uninstalled my applications without first deactivating them
I cannot access my previous computer
I do not see a deactivate option
You must activate your product before you can use it. How you activate depends on your product. Find your product in the table below to learn how to activate it.
Creative Cloud applications
Acrobat XI, Acrobat X, Creative Suite 6/5.5/5/4, or Creative Suite 3 and earlier
Adobe Lightroom, Flash Player, Reader, and Shockwave Player
A single license for Adobe software lets you install the applications on two computers—for example, at home and at the office. However, you can use the software on only one computer at any given time.
If you want to install the software on a third computer, deactivate the software on the computer on which you will no longer use the software. Then, activate the software on the new computer.