Once deactivated, you can activate the app Adobe Photoshop Elements 9 license another computer, or reactivate the app at any time. Cheapest Autodesk AutoCAD Plant 3D 2019 the serial number in the next licende and click Next. Click OK in the Properties windows. Deactivate permanently : This option deactivates the software and removes the licensing information from your computer. Make sure that you have a valid serial number for Photoshop Elements. Launch the Adobe application as an administrator, then log in to your regular user account. Note: You can also deactivate your account from Adobe. Activate an app on a new computer. Windows XP. Photoshop Elements User Guide. Applies to: Photoshop Elements.