To check, go to the Settings app and tap iCloud. If you see your Apple ID displayed, you're logged in. If not, tap Sign in with your Apple ID and type in your details. Next, go back to the Settings app and scroll down to Find Friends, then tap it.Mar 9, 2015 read more
How to add temporary friends to Find my Friends. If you only want to share your location with a friends for a limited time, use the Temporary option. Launch Find my Friends; Tap on the Temporary tab at the bottom. read more
If your device is using a version of iOS 8, install the free Find My Friends app. When you sign in to iCloud on your device, you automatically sign in to Find My Friends with your Apple ID. If you want to get Find My Friends notifications on your Apple Watch, you can turn it on from the Apple Watch app on your iPhone. read more