Mac OS X Apps which are not present on Mac AppStore are generally distributed in either .pkg or .dmg formats. However, many users find it difficult to install them due to their unfamiliarity with the .dmg format. Here’s a simple tutorial which will guide you on How you can easily install apps packaged in .dmg format on your Mac OS X machine (iMac & Macbook) . This method works on all Mac OS X versions (Mountain Lion, Mavericks, Yosemite & El Capitano as well) . Read on more for the complete tutorial.

Sep 21, 2007 How to Install Software from DMG Files on a Mac. 21 September, 2007 by Tom Harrison in mac os x. A.DMG file is a container file commonly used to distribute applications for Mac OS X. Installing software from one of these requires you to mount the image and move its contents to your computer’s “Applications” directory. Jan 19, 2018 To install macOS or OS X from the USB flash drive, check how to clean install Mac OS from USB. Make A Bootable Installer for macOS via DiskMaker X or Install Disk Creator If you think it is too much trouble to use Terminal to make a bootable installer on a USB drive, you can use tools like DiskMaker X, Install Disk Creator.

Method to Install .dmg Format Apps on Mac OS X –

Pre-Requisites –

The .dmg File of the App you want to install. Download & Save the .dmg file in any folder.
Non-Guest User account access in Mac OS X (Any User account with app-install permissions or Administrator account).
In our Example, We will be using the Opera browser .dmg file to demonstrate the installation process.

Steps to Install .dmg Apps in Mac OS X –

Navigate to your .dmg file in Finder and double-Click on it.
Now, Depending upon the source from where the app was obtained, OS X may start the installation process or it might block the installation of App with the error “unidentified developer” . Click here for solution to “unidentified error” for your .dmg app .
If you didn’t get the error, You will see an installer / or the app will install its image onto your homescreen (.dmg are basically app image files).
Now, you’ll see the App Image (with a disc type icon) on to your Homescreen on Mac as show below –
App After its Dmg File installed
Installing the Dmg file doesn’t mean its installed, You will need to drag the App Icon image to the “Applications” folder for it to function properly.
Dragging App Icon to Applications Folder – Launch the App by double clicking the App Image icon. It will open a window as shown in the image below-
Drag App Icon on to the Applications Folder
Now Click and drag the App Icon on to the “Applications” folder. i.e from Position 1. to Position 2. in the above image.
Once you drag the Application App Image icon on to the Applications folder, it will be installed & will now be visible inside the Applications folder as shown below –
If you see the your App Icon without disk image background , You have installed the .dmg app successfully! .
Simply Double-click the App Icon inside the Applications folder to launch your Application program.

So, this is one of the most simple methods to install .dmg application programs on Mac OS X. Some apps may require a further tweaking but this will get the job done 99 times. If you face any issues or encounter any problems feel free to comment.

Mac OS X El Capitan: Being the 12th major release of macOS, Mac OS X El Capitan belongs to the Macintosh-Unix family of OS. It was majorly released for server OS for Macintosh computers and Apple Inc.’s desktop. Being the successor of OS X Yosemite, it mainly focuses on stability, performance, and security. There is a history in its name. Mac OS El Capitan was given its name behind a type of rock formation that is found in the Yosemite National Park, focusing its predefined goals towards a refined edition of Yosemite. It was the final version that was released beneath the name OS X, its successor, Sierra, was given the name under Mac OS X due to the reason that OS X is now named Mac OS.

License
Official Installer

File Size
5.7GB

Language
English

Developer
Apple Inc.

Mac OS El Capitan was released to manufacturing on 20th September 2015, almost three and a half years ago. Its latest version 10.11.6 (15G22010) was released on 9th July 2018, almost 7 months ago. It runs on the platform including x86-64. Mac OS El Capitan is preceded by OS X 10.10 Yosemite and it is succeeded by macOS 10.12 Sierra.

System requirements

All Macintosh PCs that can run Mountain Lion, Mavericks, or Yosemite can run El Capitan in spite of the fact that not the majority of its highlights will take a shot at more seasoned PCs. For instance, Apple noticed that the recently accessible Metal API is accessible on “all Macs since 2012”.

The following computers can run mac OS el Capitan provided that they must have a ram of 2GB or more –

MacBook: Late 2008 or newer
MacBook Air: Late 2008 or newer
MacBook Pro: Mid 2007 or newer
Mac Mini: Early 2009 or newer
iMac: Mid 2007 or newer
Mac Pro: Early 2008 or newer
Xserve: Early 2009

Of these PCs, the accompanying models were outfitted with 1GB RAM as the standard alternative on the base model when they were sent initially. They can possibly run OS X El Capitan in the event that they have at any rate 2GB of RAM-

iMac: Mid 2007
iMac: Early 2008
Mac Mini: Early 2009

The accompanying PCs bolster highlights, for example, Handoff, Instant Hotspot, AirDrop between Mac PCs and iOS gadgets, just as the new Metal API:

iMac: Late 2012 or newer
MacBook: Early 2015 or newer
MacBook Air: Mid 2012 or newer
MacBook Pro: Mid 2012 or newer
Mac Mini: Late 2012 or newer
Mac Pro: Late 2013

The redesign differs in size contingent on which Apple Mac PC it is being introduced on, in many situations, it will require around 6 GB of plate space.

What is DMG File

DMG represents Disk picture document. It is much the same as the ISO record which keeps running on Windows yet it keeps running on Mac OS. DMG is area by a segment of optical stockpiling media. DMG record is utilized rather than an optical plate. It has .dmg augmentation. Past Disk Image File has .smi and .img augmentation which depends on New Disk Image Format (NDF). The present DMG document depends on Universal Disk Image Format (UDIF). Widespread Disk Image Format underpins Zlib, ADC, bzip2 pressure calculation. DMG record depends on figuring out however it’s documentation isn’t discharged by Apple Company. It is more secure than ISO record. Plate Image Files are distributed with a MIME kind of utilization which is known as x – apple circle picture. There are distinctive record frameworks inside circle picture.

What is ISO file

ISO document is the copy or file record that contains every one of the information of optical plate-like CD or DVD. It represents the International Standard Organization. It is utilized to duplicate the precise record in light of the fact that in typical duplicate, it needs header document yet in an ISO record, every one of the information including the header record is The ISO name is taken from ISO9660 on the grounds that this component is utilized in circles yet ISO record has UDF(ISO/IEC 13346) document framework is utilized which is generally utilized in DVDs and Blu-beam Disks. It accompanies .iso augmentation.

Installing Mac OS X El Capitan

The installation process of mac os el Capitan includes two methods. The first method is termed as an upgrade install, also known as the default method. The second method is known as a clean install.

Upgrade install-

Follow to below steps-

Visit the Mac App Store.
Locate the OS X El Capitan Page.
Click the Download button.
Follow the simple instructions to

complete the upgrade.
For users without broadband access, the upgrade is available at the local Apple stor

Mac Os Installer From Dmg