There are several options for installing Git on macOS. Note that any non-source distributions are provided by third parties, and may not be up to date with the latest source release.

1. Some Mac users may like to perform what is known as a clean install with OS X El Capitan. Basically, a clean install involves erasing the Mac drive and starting fresh with a new installation of OS X 10.11, and users who opt for clean installs usually rely on their own personal backups to restore their personal file and data.
2. Mac OS X El Capitan 10.11.1 InstallESD DMG free download standalone offline setup for Windows 32-bit and 64-bit. The macOS X El Capitan 10.11.1 is a powerful application providing stability, compatibility and the security of the Mac along with different updates and enhancements.
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Homebrew

Install homebrew if you don't already have it, then:
$ brew install git

Xcode

How To Install Mac OS X El Capitan 10.11.6 Using USB In PC/Laptop?.First You Need Mac OS X ImageDownload From: http://extra.to/torrent. Use a Mac OS X installation Disc. If you’re unable to use Internet Recovery Mode or create a bootable USB installer, you can still use a Mac OS X installation disc. These discs are available for OS X Snow Leopard, OS X Lion, and OS X Mountain Lion. If your Mac is from 2012 or earlier, there was an installation disc in the original box.

Apple ships a binary package of Git with Xcode.

Binary installer

Tim Harper provides an installer for Git. The latest version is 2.33.0, which was released about 9 hours ago, on 2021-08-30.

Building from Source

If you prefer to build from source, you can find tarballs on kernel.org. The latest version is 2.33.0.

Installing git-gui

If you would like to install git-gui and gitk, git's commit GUI and interactive history browser, you can do so using homebrew
$ brew install git-gui

Setting Up A Database

Rails ships with sqlite3 as the default database. Chances are you won't want to use it because it's stored as a simple file on disk. You'll probably want something more robust like MySQL or PostgreSQL.

There is a lot of documentation on both, so you can just pick one that seems like you'll be more comfortable with.

If you're new to Ruby on Rails or databases in general, I strongly recommend setting up PostgreSQL.

If you're coming from PHP, you may already be familiar with MySQL.

MySQL

You can install MySQL server and client from Homebrew:

Once this command is finished, it gives you a couple commands to run. Follow the instructions and run them:

By default the mysql user is root with no password.

When you're finished, you can skip to the Final Steps.

Install Mac Os X 10.11 El Capitan

PostgreSQL

You can install PostgreSQL server and client from Homebrew:

Install Mac Os X 10.11.4

Once this command is finished, it gives you a couple commands to run. Follow the instructions and run them:

Mac Os 10.11 Download

By default the postgresql user is your current OS X username with no password. For example, my OS X user is named chris so I can login to postgresql with that username.