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. Jul 07, 2017 My computer is starting to have some problems. I think it is associated to a large amount of scanning I've been doing (transferring slides). It starting to go off into never never land while it's spinning wheel of multi-color death goes on and on and on requiring me to force quit applications and re-boot before I can continue. Sep 21, 2007 Screenshot of a Mac OS X desktop with a mounted DMG file’s icon. 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.
DMG Files on Mac OS
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In Mac OS file extension DMG is often referred as Apple Disk Image and is used to refer to files which store disk images. DMG files could be mounted as a volume in Finder. Currently DMG files on Mac OS are used to distribute software packages.
When software package in DMG file is opened it instructs Mac OS Finder to change its window in a way it is easy for user to copy application to the right folder. Finder window shows source application folder and the destination folder. All that user has to do is to drag and drop application folder to the destination folder. This will install an app.
Below are steps you need to take to install an application from DMG file:
- Double click the DMG file. This will make its contents available in Finder.
- Drag the application from the DMG window into Applications. This will initiate installation process.
- Wait until the copy process is finished
- Eject the DMG file (click Eject button on the Finder Sidebar)
- Delete the DMG file
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