Install PhantomPDF ,copy the whole contents of your license key file or activation code,then in the Activation Window please paste the key file contents or activation code into the text window, and click on "Activate" button.
To check if you have activated PhantomPDF successfully, please select Help > About Foxit PhantomPDF > License Information and see if your name will appear as the licensee in the window.
If the Activation Window does not open automatically, please run the program "Activation.exe" located in the installation directory, usually under "C:\Program Files (x86)\Foxit Software\Foxit PhantomPDF"
For IT Deployments:
Click here to see the detailed instructions.