I Need help updating
iPad mini 4 Wi-Fi, iOS 9.3.4, Help to for 9.3.5 and then 10
What happens when you try to update your iPhone?
The more details you provide the easier to assist you.
If you are referring to the iPad min 4 in your profile, it is compatible with iOS 10 > http://www.apple.com/ios/ios-10/
Since you put this under Windows, I suppose you are trying to update iTunes on a PC. Here is a useful link : Get the latest version of iTunes - Apple Support
Perhaps you want to update an iOS device to iOS 10 which recently came out? Here is a useful link : Update the iOS software on your iPhone, iPad, or iPod touch - Apple Support
If you had another question, please tell us what you are trying to update and describe the issue you are encountering.
Update
