For end users
1) Run the tool Activation.exe located in C:\Program Files (x86)\Foxit Software\Foxit PhantomPDF
2) Copy and paste the registration code, or full content of fpmkey.txt into the text field displayed on the screen.
3) Follow the rest of the on-screen instructions to complete the activation.
For Admins distribution
Click here to see the detailed instructions.
This is for licensed user, you will be given a registration code or key.txt file at purchase.