Just follow this Standard license removal procedure:
STEP 1: Run the application.
STEP 2: Open the Activation dialog box. See how to display the activation dialog on startup
STEP 3: Select the “Remove license” button.
STEP 4: Press the “Continue” button.
STEP 5: Press OK to approve the license removal process.
STEP 6: The Removal code dialog box will emerge at this point.
You should keep the removal code. The Removal code will be needed to re-activate. If removal codes match, we may consider license as removed.
Note: The License removal process will not delete or uninstall the protected application.