Install a new application: DMG files

Before you use Safari to download a test application then you can install it, pressed it on Mac OS X there are several ways in which you can install an application. Coming from a Windows environment this fact will be a little 'strange in that, under Windows to install an application you usually click on an executable file (. Exe) and follow the installation procedure provided by the software. In Mac OS X, in addition to this mode, there are two others that we analyze in detail during this guide.

The first installation will show you that you installation with which you will be faced in most cases. To show you the procedure we need to download a free application from the Internet and to do so click on the following links to download the application (in this case Skype, known instant messaging software, and VoIP).

Once finished downloading the application, move the Downloads folder and found the following files:

The reader's attention will focus on extending surely this file or the. Dmg is nothing but a disk image that contains the application that now we will install. Applications in general, the Mac operating system, are simply folders containing all the necessary files which can be accessed by simply double-click (in windows we had to open the folder and look for its setup file. Exe).

So let's double click on the file you just downloaded, and the first thing, it will open for a few seconds a window showing a system process that carries out checks on packets and completed this task, the following icon will appear on your desktop:

finder and the following window:

The icon on your desktop that you can find the disk image is on the application being installed, while the window shows the contents of the disk image files.

The application installation is now trivial, in fact, simply click on the icon of Skype on the Applications folder and drag it as shown:

Without this system will start a process that copies the files and performs the actual installation and once finished our application has been installed. To further verify the correct installation, you simply open the Applications folder and verify that the presence of the application that we just installed.

Looking at the screenshot above we see that the thing to do was basically suggested by the window. In some. Dmg this suggestion is not only the icon and we will find that we want to install. In this case, simply open the Applications folder on your Mac and drag the icon contained in the application. Dmg.

Missing is a final thing to do to finish the installation properly and that is to eject the disk image. To do this you can follow two paths: the first is to drag the disk image dirattamente the trash and the second is to open a Finder window, go under the heading Devices and make the expulsion.

It can happen that carrying out the expulsion of the disk image is the operating system reported an error that did not press the eject. This is because, mistakenly, we have started the application by double clicking the icon within the disk image and if the application is still running you can not eject the disk image. Do not worry though, simply complete the application and the repetition of the expulsion of the disc will now be done properly.

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