MacOS Catalina, the latest version of the world’s most advanced desktop operating system, is now available as a free software update. With macOS Catalina, users are able to enjoy Apple Arcade, a groundbreaking new game subscription service featuring new, exclusive games from some of the world’s most creative developers. Update from Catalina or Mojave. Follow the onscreen instructions to finish installing the software update, which should take around half an hour to an hour depending on the spec of your Mac. Catalina takes a turn from Apple's last few years of naming patterns. MacOS Mojave began a California geographical feature streak and ended what Apple's senior vice president of software.
This system software update improves system performance. Version 8.00 Main features in the system software update. The following changes have been made to Party and Messages. When starting a party, you can now choose to create a new group or select an existing group. When you create a new group, it'll be saved even after the party has ended. 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. On a Mac with macOS Catalina 10.15, open Finder.
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.
Update your device wirelessly
If a message says that an update is available, tap Install Now. You can also follow these steps:
- Plug your device into power and connect to the Internet with Wi-Fi.
- Go to Settings > General, then tap Software Update.
- 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.
- 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.
- 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
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.
- 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.
- Connect your device to your computer.
- Locate your device on your computer.
- Click General or Settings, then click Check for Update.
- Click Download and Update.
- 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.
* 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.
OnyX
OnyX is a multifunction utility that you can use to verify the structure of the system files, to run miscellaneous maintenance and cleaning tasks, to configure parameters in the Finder, Dock, Safari, and some Apple applications, to delete caches, to remove certain problematic folders and files, to rebuild various databases and indexes, and more.
OnyX is a reliable application which provides a clean interface to many tasks that would otherwise require complex commands to be typed using a command-line interface.
WARNING:
There is a specific version of OnyX for each major version of the operating system.
Use the specific version, and don't try to use a non-compatible version.
OnyX 3.9.5 for macOS Big Sur 11
Requirements: Intel-based Mac or Apple M1-based Mac using macOS Big Sur 11.1 or later.
OnyX 3.8.7 for macOS Catalina 10.15
Requirements: Intel-based Mac using macOS Catalina 10.15.
OnyX 3.6.8 for macOS Mojave 10.14
Requirements: Intel-based Mac using macOS Mojave 10.14.
OnyX 3.4.9 for macOS High Sierra 10.13
Requirements: Intel-based Mac using macOS High Sierra 10.13.
OnyX 3.3.1 for macOS Sierra 10.12
Requirements: Intel-based Mac using macOS Sierra 10.12.
OnyX 3.1.9 for OS X El Capitan 10.11
Requirements: Intel-based Mac using OS X El Capitan 10.11.
OnyX 3.0.2 for OS X Yosemite 10.10
Requirements: Intel-based Mac using OS X Yosemite 10.10.
OnyX 2.8.9 for OS X Mavericks 10.9
Requirements: Intel-based Mac using OS X Mavericks 10.9.
OnyX 2.7.4 for OS X Mountain Lion 10.8
Requirements: Intel-based Mac using OS X Mountain Lion 10.8.
OnyX 2.4.8 for OS X Lion 10.7
Requirements: Intel-based Mac using OS X Lion 10.7.
OnyX 2.4.0 for Mac OS X Snow Leopard 10.6
Requirements: Intel-based Mac using Mac OS X Snow Leopard 10.6.
OnyX 2.0.6 for Mac OS X Leopard 10.5
Apple Software Update Catalina
Requirements: PowerPC-based Mac or Intel-based Mac using Mac OS X Leopard 10.5. OnyX only runs from an administrator account.
OnyX 1.8.6 for Mac OS X Tiger 10.4
Requirements: PowerPC-based Mac or Intel-based Mac using Mac OS X Tiger 10.4. OnyX only runs from an administrator account.
New Mac Software Update Catalina
OnyX 1.5.3 for Mac OS X Panther 10.3
Requirements: PowerPC-based Mac using Mac OS X Panther 10.3 with BSD subsystem. OnyX only runs from an administrator account.
Software Update Catalina Not Working
OnyX 1.3.1 for Mac OS X Jaguar 10.2
Software Update Catalina 10.15.7
Requirements: PowerPC-based Mac using Mac OS X Jaguar 10.2 with BSD subsystem. OnyX only runs from an administrator account.