- OS X 10.11.6 – click the Apple menu > App Store > Updates
- iOS 9.3.3 – tap Settings > General > Software Update
- tvOS 9.2.2 – Click Settings > System > Software Update
- watchOS 2.2.2 – on your paired iPhone tap Watch > Settings > General > Software Update
Additionally, there is an update for iTunes 12.4.2 that aims to resolve some issues with mis-matched songs on iTunes Match.