Notes® installation directories for Mac OS X. Recommended and default IBM® Notes® installation and upgrade directories on an Apple Macintosh OS X system are as follows. Considerations for installing and upgrading Notes® on Citrix. Mail, calendar, and contact features are installed with IBM® Notes®, including traditional Notes. Making Installation USB Media on Mac OS X. Disk 0 is likely to be the OS X recovery disk, and Disk 1 is likely to be your main OS X installation. In the following example, it is disk2: $ diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUIDpartitionscheme.500.3 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: AppleCoreStorage 400.0 GB. This directory contains binaries for a base distribution and packages to run on Mac OS X (release 10.6 and above). Mac OS 8.6 to 9.2 (and Mac OS X 10.1) are no longer supported but you can find the last supported release of R for these systems (which is R 1.7.1) here.

Installation for mac os x 10 12 download

Install Git on Mac OS X

There are several ways to install Git on a Mac. In fact, if you've installed XCode (or it's Command Line Tools), Git may already be installed. To find out, open a terminal and enter git --version.

Apple actually maintain and ship their own fork of Git, but it tends to lag behind mainstream Git by several major versions. You may want to install a newer version of Git using one of the methods below:

Git for Mac Installer

The easiest way to install Git on a Mac is via the stand-alone installer:

  1. Download the latest Git for Mac installer.

  2. Follow the prompts to install Git.

  3. Open a terminal and verify the installation was successful by typing git --version:

  4. Configure your Git username and email using the following commands, replacing Emma's name with your own. These details will be associated with any commits that you create:

  5. (Optional) To make Git remember your username and password when working with HTTPS repositories, configure the git-credential-osxkeychain helper.

Install Git with Homebrew

If you have installed Homebrew to manage packages on OS X, you can follow these instructions to install Git:

  1. Open your terminal and install Git using Homebrew:

  2. Verify the installation was successful by typing which git --version:

  3. Configure your Git username and email using the following commands, replacing Emma's name with your own. These details will be associated with any commits that you create:

  4. (Optional) To make Git remember your username and password when working with HTTPS repositories, install the git-credential-osxkeychain helper.

Install Git with MacPorts

If you have installed MacPorts to manage packages on OS X, you can follow these instructions to install Git:

  1. Open your terminal and update MacPorts:

  2. Search for the latest available Git ports and variants:

  3. Install Git with bash completion, the OS X keychain helper, and the docs:

  4. Configure your Git username and email using the following commands, replacing Emma's name with your own. These details will be associated with any commits that you create:

  5. (Optional) To make Git remember your username and password when working with HTTPS repositories, configure the git-credential-osxkeychain helper.

Install the git-credential-osxkeychain helper

Bitbucket supports pushing and pulling your Git repositories over both SSH and HTTPS. To work with a private repository over HTTPS, you must supply a username and password each time you push or pull. The git-credential-osxkeychain helper allows you to cache your username and password in the OSX keychain, so you don't have to retype it each time.

  1. If you followed the MacPorts or Homebrew instructions above, the helper should already be installed. Otherwise you'll need to download and install it. Open a terminal window and check:

    If you receive a usage statement, skip to step 4. If the helper is not installed, go to step 2.

  2. Use curl to download git-credential-osxkeychain (or download it via your browser) and move it to /usr/local/bin:

  3. Make the file an executable:

  4. Configure git to use the osxkeychain credential helper.

    The next time Git prompts you for a username and password, it will cache them in your keychain for future use.

Install Git with Atlassian Sourcetree

Sourcetree, a free visual Git client for Mac, comes with its own bundled version of Git. You can download Sourcetree here.

To learn how to use Git with Sourcetree (and how to host your Git repositories on Bitbucket) you can follow our comprehensive Git tutorial with Bitbucket and Sourcetree.

Build Git from source on OS X

Building Git can be a little tricky on Mac due to certain libraries moving around between OS X releases. On El Capitan (OS X 10.11), follow these instructions to build Git:

  1. From your terminal install XCode's Command Line Tools (if you haven't already):

  2. Install Homebrew.

  3. Using Homebrew, install openssl:

  4. Clone the Git source (or if you don't yet have a version of Git installed, download and extract it):

  5. To build Git run make with the following flags:

Install Git on Windows

Git for Windows stand-alone installer

  1. Download the latest Git for Windows installer.

  2. When you've successfully started the installer, you should see the Git Setup wizard screen. Follow the Next and Finish prompts to complete the installation. The default options are pretty sensible for most users.

  3. Open a Command Prompt (or Git Bash if during installation you elected not to use Git from the Windows Command Prompt).

  4. Run the following commands to configure your Git username and email using the following commands, replacing Emma's name with your own. These details will be associated with any commits that you create:

  5. Optional: Install the Git credential helper on Windows

    Bitbucket supports pushing and pulling over HTTP to your remote Git repositories on Bitbucket. Every time you interact with the remote repository, you must supply a username/password combination. You can store these credentials, instead of supplying the combination every time, with the Git Credential Manager for Windows.

Install Git with Atlassian Sourcetree

Sourcetree, a free visual Git client for Windows, comes with its own bundled version of Git. You can download Sourcetree here.

To learn how to use Git with Sourcetree (and how to host your Git repositories on Bitbucket) you can follow our comprehensive Git tutorial with Bitbucket and Sourcetree.

Install Git on Linux

Debian / Ubuntu (apt-get)

Git packages are available via apt:

  1. From your shell, install Git using apt-get:

  2. Verify the installation was successful by typing git --version:

  3. Configure your Git username and email using the following commands, replacing Emma's name with your own. These details will be associated with any commits that you create:

Fedora (dnf/yum)

Git packages are available via both yum and dnf:

  1. From your shell, install Git using dnf (or yum, on older versions of Fedora):

    or

  2. Verify the installation was successful by typing git --version:

  3. Configure your Git username and email using the following commands, replacing Emma's name with your own. These details will be associated with any commits that you create

Build Git from source on Linux

Debian / Ubuntu

Git requires the several dependencies to build on Linux. These are available via apt:

  1. From your shell, install the necessary dependencies using apt-get:

  2. Clone the Git source (or if you don't yet have a version of Git installed, download and extract it):

  3. To build Git and install it under /usr, run make:

Fedora

Git requires the several dependencies to build on Linux. These are available via both yum and dnf:

  1. From your shell, install the necessary build dependencies using dnf (or yum, on older versions of Fedora):

    or using yum. For yum, you may need to install the Extra Packages for Enterprise Linux (EPEL) repository first:

  2. Symlink docbook2X to the filename that the Git build expects:

  3. Clone the Git source (or if you don't yet have a version of Git installed, download and extract it):

  4. To build Git and install it under /usr, run make:

Next up:

Setting up a repository

Start next tutorial

So, you’ve decided to download an older version of Mac OS X. There are many reasons that could point you to this radical decision. To begin with, some of your apps may not be working properly (or simply crash) on newer operating systems. Also, you may have noticed your Mac’s performance went down right after the last update. Finally, if you want to run a parallel copy of Mac OS X on a virtual machine, you too will need a working installation file of an older Mac OS X. Further down we’ll explain where to get one and what problems you may face down the road.

A list of all Mac OS X versions

We’ll be repeatedly referring to these Apple OS versions below, so it’s good to know the basic macOS timeline.

Cheetah 10.0Puma 10.1Jaguar 10.2
Panther 10.3Tiger 10.4Leopard 10.5
Snow Leopard 10.6Lion 10.7Mountain Lion 10.8
Mavericks 10.9Yosemite 10.10El Capitan 10.11
Sierra 10.12High Sierra 10.13Mojave 10.14
Catalina 10.15

STEP 1. Prepare your Mac for installation

Given your Mac isn’t new and is filled with data, you will probably need enough free space on your Mac. This includes not just space for the OS itself but also space for other applications and your user data. One more argument is that the free space on your disk translates into virtual memory so your apps have “fuel” to operate on. The chart below tells you how much free space is needed.

Note, that it is recommended that you install OS on a clean drive. Next, you will need enough disk space available, for example, to create Recovery Partition. Here are some ideas to free up space on your drive:

  • Uninstall large unused apps
  • Empty Trash Bin and Downloads
  • Locate the biggest files on your computer:

Go to Finder > All My Files > Arrange by size
Then you can move your space hoggers onto an external drive or a cloud storage.
If you aren’t comfortable with cleaning the Mac manually, there are some nice automatic “room cleaners”. Our favorite is CleanMyMac as it’s most simple to use of all. It deletes system junk, old broken apps, and the rest of hidden junk on your drive.

Download CleanMyMac for OS 10.4 - 10.8 (free version)

Installation For Mac Os X

Download CleanMyMac for OS 10.9 (free version)

Download CleanMyMac for OS 10.10 - 10.14 (free version)

STEP 2. Get a copy of Mac OS X download

Normally, it is assumed that updating OS is a one-way road. That’s why going back to a past Apple OS version is problematic. The main challenge is to download the OS installation file itself, because your Mac may already be running a newer version. If you succeed in downloading the OS installation, your next step is to create a bootable USB or DVD and then reinstall the OS on your computer.

How to download older Mac OS X versions via the App Store


If you once had purchased an old version of Mac OS X from the App Store, open it and go to the Purchased tab. There you’ll find all the installers you can download. However, it doesn’t always work that way. The purchased section lists only those operating systems that you had downloaded in the past. But here is the path to check it:

  1. Click the App Store icon.
  2. Click Purchases in the top menu.
  3. Scroll down to find the preferred OS X version.
  4. Click Download.

This method allows you to download Mavericks and Yosemite by logging with your Apple ID — only if you previously downloaded them from the Mac App Store.

Without App Store: Download Mac OS version as Apple Developer

Mac Os X Installation Usb

If you are signed with an Apple Developer account, you can get access to products that are no longer listed on the App Store. If you desperately need a lower OS X version build, consider creating a new Developer account among other options. The membership cost is $99/year and provides a bunch of perks unavailable to ordinary users.

Nevertheless, keep in mind that if you visit developer.apple.com/downloads, you can only find 10.3-10.6 OS X operating systems there. Newer versions are not available because starting Mac OS X Snow Leopard 10.7, the App Store has become the only source of updating Apple OS versions.

Purchase an older version of Mac operating system

You can purchase a boxed or email version of past Mac OS X directly from Apple. Both will cost you around $20. For the reason of being rather antiquated, Snow Leopard and earlier Apple versions can only be installed from DVD.

Buy a boxed edition of Snow Leopard 10.6
Get an email copy of Lion 10.7
Get an email copy of Mountain Lion 10.8

The email edition comes with a special download code you can use for the Mac App Store. Note, that to install the Lion or Mountain Lion, your Mac needs to be running Snow Leopard so you can install the newer OS on top of it.

How to get macOS El Capitan download

If you are wondering if you can run El Capitan on an older Mac, rejoice as it’s possible too. But before your Mac can run El Capitan it has to be updated to OS X 10.6.8. So, here are main steps you should take:

1. Install Snow Leopard from install DVD.
2. Update to 10.6.8 using Software Update.
3. Download El Capitan here.

“I can’t download an old version of Mac OS X”

If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model. For instance, if your MacBook was released in 2014, don’t expect it to run any OS released prior of that time, because older Apple OS versions simply do not include hardware drivers for your Mac.

But as it often happens, workarounds are possible. There is still a chance to download the installation file if you have an access to a Mac (or virtual machine) running that operating system. For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion. Then you will need to prepare an external drive to download the installation file using OS X Utilities.

After you’ve completed the download, the installer should launch automatically, but you can click Cancel and copy the file you need. Below is the detailed instruction how to do it.

STEP 3. Install older OS X onto an external drive

The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks.

  1. Start your Mac holding down Command + R.
  2. Prepare a clean external drive (at least 10 GB of storage).
  3. Within OS X Utilities, choose Reinstall OS X.
  4. Select external drive as a source.
  5. Enter your Apple ID.

Now the OS should start downloading automatically onto the external drive. After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down. Now that the installation file is “captured” onto your external drive, you can reinstall the OS, this time running the file on your Mac.

  1. Boot your Mac from your standard drive.
  2. Connect the external drive.
  3. Go to external drive > OS X Install Data.

Mac Os X 10.11 Download Free

Locate InstallESD.dmg disk image file — this is the file you need to reinstall Lion OS X. The same steps are valid for Mountain Lion and Mavericks.

How to downgrade a Mac running later macOS versions

If your Mac runs macOS Sierra 10.12 or macOS High Sierra 10.13, it is possible to revert it to the previous system if you are not satisfied with the experience. You can do it either with Time Machine or by creating a bootable USB or external drive.
Instruction to downgrade from macOS Sierra

Instruction to downgrade from macOS High Sierra

Instruction to downgrade from macOS Mojave

Mac

Instruction to downgrade from macOS Catalina

Before you do it, the best advice is to back your Mac up so your most important files stay intact. In addition to that, it makes sense to clean up your Mac from old system junk files and application leftovers. The easiest way to do it is to run CleanMyMac X on your machine (download it for free here).

Visit your local Apple Store to download older OS X version

If none of the options to get older OS X worked, pay a visit to nearest local Apple Store. They should have image installations going back to OS Leopard and earlier. You can also ask their assistance to create a bootable USB drive with the installation file. So here you are. We hope this article has helped you to download an old version of Mac OS X. Below are a few more links you may find interesting.

These might also interest you: