When I try to update or install an app how come it never goes around the circle. It just stays their and doesn’t move why is that.

Greetings, gregfromderry!
Thanks for reaching out to the Apple Support Communities! It sounds like you are having an issue installing applications on your device and I'm happy to help out! Please take a look at this article with steps to follow If you can’t download or update apps, or if apps get stuck. This is the best Apple article for issues such as what you are experiencing with your applications, along with what to do nest if the issue continues.
Cheers!