Make sure you’re ready to upgrade. Before you upgrade, we recommend that you back up your Mac. Then, if your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Catalina. Open the App Store app on your Mac. Click Updates in the App Store toolbar. Use the Update buttons to download and install any updates listed. When the App Store shows no more updates, the installed version of macOS and all of its apps are up to date. That includes Safari, iTunes, iBooks, Messages, Mail, Calendar, Photos, and FaceTime.

You can update your iPhone, iPad, or iPod touch to the latest version of iOS or iPadOS wirelessly.* If you can't see the update on your device, you can update manually using your computer.

Before you update

Make a backup of your device using iCloud or your computer.

Explore the world of Mac. Check out MacBook Pro, iMac Pro, MacBook Air, iMac, and more. Visit the Apple site to learn, buy, and get support. MacOS Server was previously known as Mac OS X Server and later OS X Server. Mac OS X Server 1.0 – code name Hera, also referred to as Rhapsody. At its June 2019 Worldwide Developer Conference, Apple introduced iPadOS, a version of iOS, for iPad tablets, promised for fall 2019 release. Additionally, Mac users running macOS Sierra and High Sierra will also find “2019-004” security updates available for those releases along with a Safari update, and Apple has also released iOS 12.4 update to iPhone, iPad, and iPod touch users, along with updates for watchOS and tvOS.

Update your device wirelessly

If a message says that an update is available, tap Install Now. You can also follow these steps:

  1. Plug your device into power and connect to the Internet with Wi-Fi.
  2. Go to Settings > General, then tap Software Update.
  3. Tap Download and Install. If a message asks to temporarily remove apps because the software needs more space for the update, tap Continue or Cancel. Later, iOS or iPadOS will reinstall apps that it removed. If you tap Cancel, learn what to do next.
  4. To update now, tap Install. Or you can tap Later and choose Install Tonight or Remind Me Later. If you tap Install Tonight, just plug your device into power before you go to sleep. Your device will update automatically overnight.
  5. If asked, enter your passcode. If you don't know your passcode, learn what to do.

If you see an error or need more space when updating wirelessly

Update

If you see an error message while trying to update your device wirelessly, learn what to do. If you need more space for a wireless update, you can update using your computer or delete content manually from your device. Whether you use your computer or update wirelessly, you'll have the same amount of free space on your device after you update.

Some software updates aren't available wirelessly. VPN or proxy connections might prevent your device from contacting the update servers.

Customize Automatic Updates

With iOS 12 or later, or iPadOS, you can have your device update automatically overnight while it's charging. To turn on automatic updates, go to Settings > General > Software Update > Customize Automatic Updates, then turn on Install iOS Updates. Your device will automatically update to the latest version of iOS or iPadOS. Some updates might need to be installed manually.

With iOS 13.6, or iPadOS, you can choose not to download software updates automatically. Go to Settings > General > Software Update > Customize Automatic Updates, then turn off Download iOS updates.

Update your device using your computer

If you can’t update wirelessly on your device, you can update manually using a computer that you trust. If your computer is using Personal Hotspot on the device that you’re updating, connect your computer to a different Wi-Fi or Ethernet network before you update.

  1. On a Mac with macOS Catalina 10.15, open Finder. On a Mac with macOS Mojave 10.14 or earlier, or on a PC, open iTunes.
  2. Connect your device to your computer.
  3. Locate your device on your computer.
  4. Click General or Settings, then click Check for Update.
  5. Click Download and Update.
  6. If asked, enter your passcode. If you don't know your passcode, learn what to do.

If you see error messages on your computer or need more space to update

Get help if you see error messages while updating your device with your computer. Or if you need more space for an update, you can delete content from your device manually.

Apple Os X Update Download

* Upgrading to the latest version of iOS or iPadOS software provides the latest features, security updates, and bug fixes. Not all features are available on all devices or in all regions. Battery and system performance may be influenced by many factors including network conditions and individual use; actual results may vary.