Keeping your software up to date is one of the most important things you can do to maintain your Apple product's security.
The latest version of iOS and iPadOS is 15.3. Learn how to update the software on your iPhone, iPad, or iPod touch.
The latest version of macOS is 12.2. Learn how to update the software on your Mac and how to allow important background updates.
The latest version of tvOS is 15.3. Learn how to update the software on your Apple TV.
The latest version of watchOS is 8.4. Learn how to update the software on your Apple Watch.
Note that after a software update is installed for iOS, iPadOS, tvOS, and watchOS, it cannot be downgraded to the previous version.
