Get iCloud up and running on your iOS device in a few easy steps. Then set up iCloud for your Mac or PC. If youâre setting up a new iOS device, or to update to the latest version of iOS, go to the Settings menu, tap General, and tap Software Update to see if thereâs an update available.Learn more about iOS.hen set up iCloud for your Mac or PC. If youâre setting up a new iOS device, or to update to the latest version of iOS, go to the Settings menu, tap General, and tap Software Update to see if thereâs an update available. Learn more about iOS.