Dynamic stamp can't find page templates [Solved]

Hi there,

Okay first off id like to applogise i barly know how to use acrobat so please bare with me. i'm trying to create a dynamic stamp ive got as far as creating the stamp near enough i have just added in a live date change however i am following a youtube video that has been done on mac and i am on windows so everything seems to be in a slightly different place and i cant seem to fuind the page templates tab

Sorry if this wasnt too clear ill link the video and time in video to hopefully make myself a bit cleaer 

https://youtu.be/OjK5NbjOZCI?t=338

I doubt anyones having the same problem aha but if you are the tab is under jarvascript in more tools 🙂

Thank you,

Dan