When you need to migrate to a new device, you will also want to transfer your subscription. Complete the following steps to transfer your subscription license.
Go to Help > Manage.
Click on the X circle icon to remove the authorization off the current machine.
Click on OK to accept the removal confirmation.
Open PhantomPDF in the new machine, go to Help > Subscribe to sign in with your email account and follow the on-screen tips to finish it.
How to remove and recover subscription