Action to take on the old computer
- Start up sign pro PDF on the computer where you want the license to be removed and go to Settings→About and click "Deactivate License" and confirm the following dialog.
Action to take on the new computer
- Install sign pro PDF on the new computer → How to install sign pro PDF for Windows
- Copy & Paste or load (Add license key from PC) the license key into the “Premium” section and click "Save"
- If the license is correctly activated (green checkmark) you can uninstall sign pro PDF from the old computer.
Troublshooting
If you receive the "Invalid License Key" error ...
... check if the steps on the Old PC are proceed properly and sign pro PDF is reverted to "Standard Mode".