If you are trying to install a clock tile as mentioned on this article, you can install the Clock tile app from Windows Store which will show the time and date as one of the tiles on Start Screen.
Hope this helps.
Please reply if you have any further questions
Thanks and Regards,
I am looking for a way to set an app to automatically start when the computer is booted. What i am trying to archive is a Clock tile that i don't have to open before it shows the time. I am using the app Tile Time.
Thank you in advance