How to Install Software on a Mac
Installing software on Mac is easier than installing software on a Windows 
or Linux operating system.
The Mac software installation process is composed of a maximum of three easy steps.
1. Acquiring Mac Software
2. Unpacking Mac Software
3. Installing Mac Software
Installing Applications on a Mac:
1. Acquiring Mac Software:
The required software can either come from a CD, DVD or the internet. In many cases, software downloaded from the internet will arrive compressed. Compressed formats include – .zip files, .sit or .sitx files and .dmg files. If you are installing files from a CD or DVD, skip the next step as these are already compressed files.
2. Unpacking Mac Software:
Simply double-click the .dmg, .sitx or .zip file and open or (if it is a disk image .dmg) mount the compressed file.
A: If the software comes with its’ own installer, it may look like this:
Simply double-click the package and your presented with an automated software installer that may resemble this:
With this type of package, you simply follow the onscreen instructions and the application is automatically installed.
B: To manually install Mac software on packages that don’t come with an installer, simply drag and drop the application into your applications folder. See below:
3. Clean up after a software install:
Once the software has been installed, you can eject the mounted image by pressing control and clicking the mounted image, then select Eject, then press control and click the file and select move it to trash.
