.dmg is a file extension for Mac, like.exe is for Windows. If you have a Mac double-click it to install. If you're on PC, look for something else View entire discussion (3 comments). Enough explanation, here's how to install an OS X app from a DMG file: Find the downloaded file, which usually ends up in your Desktop or Downloads folder. Double-click the.DMG file to mount it. A new Finder window showing its contents should appear. On Ubuntu, you'd do: sudo apt-get install dmg2img. Using dmg2img isn't very difficult. Type 'dmg2img' into the command line followed by the name of the DMG file you want to decompress. The Mac OS X version of Firefox is a good example of a compressed DMG file. Hfs-test$ dmg2img 'Firefox 33.1.1.dmg' dmg2img v1.6.5. Firefox 33.1.1.dmg. Question or issue on macOS: I am looking for small bash or python script that will install a.dmg file. We'll assume that the dmg contains one or more.app directories that have to be copied to /Applications, overriding any already existing directories. Files or directories not matching the.app pattern are to be ignored.
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.
One of the most common mistakes I see among new Mac users is fumbling with how to install and open .dmg files or new software. The process for installing new applications on your Mac can be confusing at first because it differs greatly from Windows' software installation process. Nevertheless, the Mac method of installing software is actually quite simple and intuitive once you are accustomed to it. If your desktop is littered with DMG files and white 'drive'-looking icons, read on!
Contents
What are .DMG Files?
DMG stands for Disk Image, and is a format commonly used to distribute files and applications among Apple computers. A DMG file is like a virtual DVD or hard drive. They can be 'mounted' on your Mac in order to work with their contents, or even burned to an actual physical disc.
In order to understand the concept of a DMG disk image, think of a storage volume such as a CD, DVD, hard drive, or external drive. A DMG file is like one of these devices in that it serves as a means to encapsulate documents, images, software, and other files. The difference is that with a DMG, there is no physical storage medium. There is only the DMG file, which can be written to a hard drive, burned to a CD or DVD, or sent over the Internet.
In order to work with the contents of a DMG file, you must mount the the disk image to your system. This may sound daunting, however 'mounting' a DMG file with Mac OS X is no more complicated than double-clicking it' icon. The operating system will load the load image and place a new icon both on your desktop, and in the sidebar of the Finder. The icon will have the same name as the DMG, and you'll be able to browse through its contents like any other folder.
Once you are done working with the contents of the file, you will want to remove or 'unmount' it from your system. Do this by opening the Finder and clicking the eject icon next to the virtual drive's icon. Or, go to the Desktop, click once on the icon, and press CMD+E.
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How to Install and Open .dmg Files on a Mac
Software installation with Mac OS X is very different than in the Windows world. On a Windows PC you run an installer, tick off a few checkboxes, and wait for the progress meter to reach completion. There usually is no such 'installation wizard' on a Mac &emdash; you simply drag and drop the program into your computer's 'Applications' directory. The trick is that most Mac applications are distributed as images called DMG files, and many new Mac users end up running applications directly from the image instead of installing them to the 'Applications' directory.
Enough explanation, here's how to install an OS X app from a DMG file:
- Find the downloaded file, which usually ends up in your Desktop or Downloads folder.
- Double-click the .DMG file to mount it. A new Finder window showing its contents should appear.
- If the window also contains a shortcut icon to 'Applications', drag and drop the app onto the shortcut.
- If not, double-click the mounted volume on your desktop and drag the app icon from there to the 'Applications' icon in the Finder sidebar.
Further Explanation
Alright, that was the abridged version. Here's the long version. I've just downloaded the DeskLickr application, and the DeskLickr_1.2.dmg is sitting on my desktop. I double-click it and a new icon labeled 'DeskLickr 1.2' appears on my desktop. Here's what my desktop looks like at this point:
Since most of the time a new Finder window also pops up when the image is ready for use, this one is now sitting on my desktop:
Different applications are going to show you slightly different Finder windows. Each application's designers like to add their own artwork. Glitter aside, most applications are trying to tell you the same thing. See the arrow pointing from the DeskLickr icon to the 'Applications' shortcut? It's telling you to drag and drop the icon into that folder. Once you've done so, the app will be installed.
If a program doesn't provide a shortcut to the Applications folder, you'll need to pop open a new Finder window. Press CMD+N to open a new window, then drag the program over to 'Applications' in the left-hand side of the window.
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House Cleaning
Once the new program is installed it's time to do some house cleaning. You no longer need the disk image you downloaded, so follow these steps:
- Close any Finder windows that have been left open.
- Eject the disk image (not the .DMG file). Click on its desktop icon, then press CMD+E.
- Delete the .DMG file by dragging it to the trash.
How Do I Install A Dmg Files
That's it! Your new Mac application is ready to use. But wait…
Bonus Tip: Add Your New Application to the Dock
I knew you were going to ask, so I figured I would cut you off at the pass. In order to add the new application to the dock, follow these steps:
- Open up a new Finder window.
- Click on 'Applications'.
- Locate your new program's icon.
- Drag the icon to your Dock, and drop it wherever you like.
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Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierra
First, review this introductory article: Create a bootable installer for macOS. Second, see this How To outline for creating a bootable El Capitan installer. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window. You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X.
How Do I Install A Dmg File Windows 10
Drive Partition and Format
- Open Disk Utility in the Utilities' folder.
- After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.
- Click on the Erase tab in the Disk Utility toolbar. Name the drive, 'MyVolume'. <---- IMPORTANT!
- In the drop down panel set the partition scheme to GUID. Set the Format type to Mac OS Extended (Journaled.)
- Click on the Apply button and wait for the Done button to activate. When it does click on it.
- Quit Disk Utility.
Create Installer
Open the Terminal in the Utilities' folder. Choose the appropriate command line (in red) depending upon what OS X installer you want. Paste that entire command line from below at the Terminal's prompt:
Command for macOS High Sierra:
sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS High Sierra.app
Command for macOS Sierra:
sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS Sierra.app
Command for El Capitan:
sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X El Capitan.app
Command for Yosemite:
sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Yosemite.app
Command for Mavericks:
sudo /Applications/Install OS X Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Mavericks.app
Press RETURN. You will be asked for your admin password. It will not echo to the Terminal window. Then press RETURN again. Wait for the return of the Terminal prompt signifying the process has completed. It takes quite some time to finish. Be patient.
Sep 13, 2018 1:16 PM
