GPS
does the Iphone8 have GPS capability and if so does it have to be installed and how?
iPhone 8 Plus, iOS 12
does the Iphone8 have GPS capability and if so does it have to be installed and how?
iPhone 8 Plus, iOS 12
It does and it is built in. Some features that use GPS need to be turned on in order for them to work. For example: Set up Find My iPhone on all of your devices - Apple Support
All iPhone have builtin aGPS.
There is no installation needed, make sure your cellular data is provision properly and your Wi-Fi is working.
If you have a specific needs. you might need to get an app.
GPS