It is recommended to be on a stable Wi-Fi connection to update, and note that some updates are not available over a cellular connection. Also, make sure that devices are on charge, or you have a charger handy in case it is requested.
iPhone, iPad, and iPod Touch
Tap on Settings > General, then tap Software UpdateTap on the update and follow the prompts
Apple Watch
From the iPhone
Open the Apple Watch app, then tap the My Watch tab, then General > Software UpdateTap on the update and follow the prompts
From the Apple Watch
Open the Settings app and tap General > Software UpdateTap on the update and follow the prompts
Mac
Click on the Apple icon in the corner of your screen, then choose System PreferencesFrom System Preferences window, click Software UpdateDepending on whether it’s a minor update or major update, click on Update Now or Upgrade Now
Apple TV
Open the Settings app on Apple TV and select System > Software UpdatesSelect Update Software and follow the prompts
