You are probably running Sierra or less, You need to update you Mac OS X into High Sierra in order to update and use the latest Xcode 9.3. Note: You could be running High Sierra but make sure you update to the latest OS X Release from App Store Updates Tap and make sure its all updated. The OS X El Capitan 10.11.4 update improves the stability, compatibility, and security of your Mac, and is recommended for all OS X El Capitan users.
The simplest way to update OS X to 10.11.5 is through the Mac App Store:
To download the new OS and install it you’ll need to do the next: Kib monitor panel manual.
How to upgrade to OS X El Capitan
To download Mac OS X El Capitan from the App Store, follow the link: Download OS X El Capitan. On the El Capitan, click the Download button. Next, a file Install OS X El Capitan will download into the Applications folder. When the download is over, the installer will launch automatically.
Versions
| Version | Codename | Date Announced |
|---|---|---|
| OS X 10.11 | El Capitan | June 8, 2015 |
| macOS 10.12 | Sierra | June 13, 2016 |
| macOS 10.13 | High Sierra | June 5, 2017 |
| macOS 10.14 | Mojave | June 4, 2018 |
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The new version of macOS is here! Even if you’re still running OS X El Capitan, you can upgrade to macOS Mojave with just a click. Apple has made it easier than ever to update to the latest operating system, even if you are running an older operating system on your Mac.
Upgrading from OS X Snow Leopard or Lion. If you’re running Snow Leopard (10.6.8) or Lion (10.7) and your Mac supports macOS Mojave, you will need to upgrade to El Capitan (10.11) first.
If you have hardware or software that isn’t compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan. macOS Sierra won’t install on top of a later version of macOS, but you can erase your disk first or install on another disk.
How to download and install macOS updates
Updating a Mac to OS X 10.11.4
Older versions of OS X eligible for upgrade. According to Apple, these older OS X operating systems can be upgraded to El Capitan. If you’re running a version of Snow Leopard prior to version 10.6.8, you must upgrade to that version. After you upgrade, you can then upgrade to El Capitan by using the App Store online.
For the strongest security and latest features, upgrade to macOS Mojave. If you have hardware or software that isn’t compatible with Mojave, you might be able to install an earlier macOS, such as High Sierra, Sierra, or El Capitan. You can use macOS Recovery to reinstall macOS.
1 Answer. You can’t really download the OS X El Capitan installer app without the App Store.app easily. If you haven’t purchased it previously use the answer in How to download OS X El Capitan from the App Store even if never downloaded before macOS Sierra was released or purchased is grayed out.
Here are the steps Apple describes:
Apple’s macOS High Sierra update is free to all users and there is no expiration on the free upgrade, so you don’t need to be in a rush to install it. Most apps and services will work on macOS Sierra for at least another year. While some are already updated for macOS High Sierra, others are still not quite ready.
Check for operating system information in Windows 7
First, click on the Apple icon in the top left corner of your screen. From there, you can click ‘About this Mac’. You’ll now see a window in the middle of your screen with information about the Mac you’re using. As you can see, our Mac is running OS X Yosemite, which is version 10.10.3.
macOS and OS X version code-names
Many users will want to install the free update today, but some Mac owners are better off waiting a few days before installing the latest macOS Mojave update. macOS Mojave is available on Macs as old as 2012, but it’s not available to all Macs that could run macOS High Sierra.
How to install a new copy of macOS Mojave in Recovery Mode
On a 50Mbps down internet connection I was able to download and install macOS Mojave 10.14.4 in about 30 minutes. The installation took 20 minutes, during which I could not use my Mac.
How Long the macOS Mojave Update Takes.
| Task | Time |
|---|---|
| macOS Mojave Installation Time | 20 to 50 minutes |
| Total macOS Mojave Update Time | 30 minutes to an hour and 50 minutes |
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Mp3 converter pro 2 10 0. If a version of macOS isn’t receiving new updates, it isn’t supported anymore. This release is supported with security updates, and the previous releases—macOS 10.12 Sierra and OS X 10.11 El Capitan—were also supported. When Apple releases macOS 10.14, OS X 10.11 El Capitan will very likely no longer be supported.
How to install macOS High Sierra
Downloading Mac OS X from Mac App Store
Install macOS on your startup disk drive
So, let us begin.
Step 4: Reinstall a clean Mac operating system
To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.
If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.
These installers from the App Store open automatically after you download them:
Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
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