Perhaps you have 10.5.8 instead of Snow Leopard.

Upgrading to Snow Leopard

Jul 19, 2016 One of my Macs wouldn't Restart, clicked on Restart and also waited it out with the counter timer and still it wouldn't restart to complete installation of update. I downloaded OS X El Capitan 10.11.6 Combo Update, but can't find the sha1 What's the sha1 checksum for OS X El Capitan 10.11.6 Combo Update? Doesn't Apple usually list it? Jul 19, 2017 Download macOS Sierra 10.12.6 Combo Update. This update is recommended for all macOS Sierra users. The macOS Sierra 10.12.6 Update improves the security, stability, and compatibility of your Mac, and is recommended for all users. Resolves an issue that prevents making certain SMB connections from the Finder.

Jul 18, 2016 The OS X El Capitan v10.11.6 Update improves the stability, compatibility, and security of your Mac, and is recommended for all users. The OS X El Capitan v10.11.6 Update improves the stability, compatibility, and security of your Mac, and is recommended for all users.

For those who downloaded Mac OS X 10.11.6 and it still appears in your App Store purchase section who are running 10.7 or later, you can install 10.11.6 from there. 10.9 Notes: On February 25, 2014, a critical security flaw was corrected in all versions of 10.9 with the 10.9.2 update (earlier versions of Mac OS X are unaffected): 10.9.2 Combo.

You can purchase Snow Leopard through the Apple Store:Mac OS X 10.6 Snow Leopard - Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.

After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mavericks if your computer meets the requirements.

Snow Leopard General Requirements

1. Mac computer with an Intel processor

2. 1GB of memory

3. 5GB of available disk space

4. DVD drive for installation

5. Some features require a compatible Internet service provider;

fees may apply.

6. Some features require Apple’s iCloud services; fees and

terms apply.

Upgrading to El Capitan

You can upgrade to El Capitan from Lion or directly from Snow Leopard. El Capitan can be downloaded from the Mac App Store for FREE.

Upgrading to El Capitan

To upgrade to El Capitan you must have Snow Leopard 10.6.8 or Lion installed. Download El Capitan from the App Store. Sign in using your Apple ID. El Capitan is free. The file is quite large, over 5 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.

Macs that can be upgraded to OS X El Capitan

1. iMac (Mid 2007 or newer) - Model Identifier 7,1 or later

2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model Identifier 5,1 or later

3. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or later

4. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or later

5. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or later

6. Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or later

7. Xserve (Early 2009) - Model Identifier 3,1 or later

To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.

Are my applications compatible?

See App Compatibility Table - RoaringApps

Upgrading to Lion

If your computer does not meet the requirements to install Mavericks, it may still meet the requirements to install Lion.

You can purchase Lion at the Online Apple Store. The cost is $19.99 (as it was before) plus tax. It's a download. You will get an email containing a redemption code that you then use at the Mac App Store to download Lion. Save a copy of that installer to your Downloads folder because the installer deletes itself at the end of the installation.

Lion System Requirements

1. Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7,

or Xeon processor

2. 2GB of memory

3. OS X v10.6.6 or later (v10.6.8 recommended)

4. 7GB of available space

5. Some features require an Apple ID; terms apply.

Jan 22, 2016 1:27 PM

'Can I still upgrade to El Capitan though the official update is outdated?' 'How do I upgrade to El Capitan? I'm using Yosemite, is there a way that can upgrade Yosemite to El Capitan?'

Apple Update Os X 10.11

On this page, we collected the complete process of how to upgrade to Mac OX S El Capitain 10.11.6 without losing any data. Follow this guide, you can download and install Mac OS X 10.11.6 on your computer with ease:

Tips on this page also work to upgrade macOS Mojave, High Sierra to the latest macOS Big Sur. You may also interest in: update and install macOS.

What Is Mac OS X El Capitan

El Capitan, the last edition known as Mac OS X 10.11.6, is an operating system between Yosemite and macOS Sierra, released on July 18, 2015.

Here is a list of new features that Mac OS X 10.11.6 brings to most old Mac OS X users. And you may feel like downloading and installing the system on your Macs:

• Support multitask
• Better performance
• Better user experience
• Free download

So how to download or upgrade your Mac computer to El Capitan? Follow through the guides, any one of Mac users can make it.

1. Check If Your Mac Is Available for El Capitan Update

Before you take steps to update your present Mac OS X to El Capitan 10.11.6/10.11.2, check whether your Mac computer is available to download and install the new El Capitan. Check the below list and see whether your device or OS X can get the new update:

Supported Mac devices:

• iMac (Mid 2007 or newer)
• MacBook (Late 2008 Aluminum, Early 2009, or newer)
• MacBook Pro (Mid 2007 or newer)
• MacBook Air (Late 2008 or newer)
• Mac mini (Early 2009 or newer)
• Mac Pro (Early 2008 or newer)
• Xserve (Early 2009)

Available OS X for El Capitan:

• OS X Yosemite v10.10
• OS X Mavericks v10.9
• OS X Mountain Lion v10.8
• OS X Lion v10.7
• Mac OS X Snow Leopard v10.6.8

If your Mac OS X and devices are just right on the list, read on and follow tips to prepare your Mac OS ready for El Capitan update.

2. Prepare Mac Ready Before El Capitan Update

Let's see what you should do to prepare your Mac devices fully ready for the new El Capitan 10.11.6, etc. update. And if this is your first time updating Mac OS X, follow the tips below carefully:

#1. Hardware Requirement

• Leave at least 2GB memory and 8.8 GB of storage space on Mac
• Leave at least 45% battery on Mac
• Connect Mac to the internet or WiFi
• Update your Mac Apps to the latest versions

#2. Back Up All Important Mac Data (to An External Disk)

It's vitally important to back up important data on Mac to external storage devices, which will certainly help to avoid data loss issues due to Mac OS X update.

To do so, you have two options:

• Option 1. Back up all your data via Time Machine

1. 1. Connect an external hard drive to Mac.
2. 2. Click the Apple menu icon, click 'System Preference', and click 'Time machine'.
3. 3. Click 'Select Backup Disk...' and choose the external drive as a backup disk.

• Option 2. Fully back up your Mac data via reliable Mac backup software

For a step-by-step guide, please follow: How to Back Up Mac without Time Machine for help.

If you have forgotten to backup data, reliable Mac data recovery software like EaseUS Data Recovery Wizard is the best tool to help you restore lost data.

So now, you can follow the next tutorial tips to update your present Mac OS X into El Capitan.

3. Update Mac OS X to El Capitan (Download OS X 10.11.6)

You can update your Mac OS X to El Capitan now. Follow the below guide to update to El Capitan with ease:

#1. Download and Install Mac OS X from Mac App Store

Step 1. Go to Mac App Store and search El Capitan.

Step 2. Click the Download button for El Capitan.

Step 3. Click Continue and follow the instructions to install El Capitan on your Mac.

#2. Manually Download El Capitan 10.11.6 from Apple

Here you can also download El Capitan or other new versions of macOS from the Apple support page, and install on your Mac:

When the downloading process is finished, the El Capitan installer will launch automatically. All you just need to follow the onscreen guide to install the Mac OS X 10.11.6 on your Mac computer.

Note that the El Capitan upgrade process will not take long. Just wait patiently to let the El Capitan installation process accomplish on your Mac.

You May Also Interest In:

Don't worry if you meet some problems during the Mac OS X or macOS update process. Click the below troubleshooting guide and follow to resolve the respective issue on your own.

When you encounter macOS update stuck, macOS or Mac OS X update failed, stay calm. Follow this guide to install the desired macOS or Mac OS X on your Mac.

Bonus Tip: Restore Lost Data after Upgrading Mac to El Capitan 10.11.6

If you didn't create backups before the Mac OS X El Capitan update, and you lost some important Mac files after the update process, your last chance is to turn to reliable Mac data recovery software for help.

Here, EaseUS Data Recovery Wizard for Mac is available for you to download and restore all lost files after macOS or Mac OS X update.

This software is fully compatible with all Mac OS X such as El Capitan, Yosemite, Mavericks, and the latest new macOS Mojave, High Sierra, etc.

Download it and follows to restore lost data due to the El Capitan update now:

Step 1. Where was data lost after operating system update? Choose the location and click Scan.

Step 2. EaseUS Data Recovery Wizard for Mac will immediately scan your selected disk volume and display the scanning results on the left pane.

Step 3. After the scan, select the target files that were unknowingly lost during or after the update and click Recover button to get them all back.

What Else Can EaseUS Data Recovery Wizard Do for You？

Besides macOS update file recovery, EaseUS Data Recovery Wizard dedicates to restoring lost data for Mac users under complex circumstances, such as:

• Data deletion
• Mac hard drives formatting
• Storage device corruption
• Mac system crash
• Mac OS X reinstallation

El Capitan Still Works on Old Macs, Go and Get It Now

Mac Os X 10.11.6 Combo Update

Don't worry if your Mac computer is not available for updating to Mac OS X El Capitan. Follow this page, you'll see if your computer can install this operating system.

If yes, follow to download and install this excellent system and renew your Mac computer now. Don't worry if you lost some files during the process, EaseUS Data Recovery Wizard for Mac can bring your files back.

Os X 10.11 Update Download

Now, it's your turn. Go and get it now.