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Limitations

Maximum number of files excluding Main (Executable) File is 1023.

Maximum Size of a file is 4GB.

Maximum size for the Installation File is 4GB.

Maximum number of directories is 1023 excluding the parent directory.

 

Portability vs Installation

Portable application does not normally require installation although it is always possible to use installation utilities. All files needed reside in one folder. When they are copied or moved to another location, the application still runs. They use local files for configuration parameters. Nothing related to an application is written in the Windows Registry. In order to remove a portable application from a computer, the application’s folder is simply deleted.

 

If an application package has sophisticated directory structure and needs to use Windows Registry, the application becomes non-portable. Installation process creates the directory structure, puts files in the right locations and creates entries in the Windows Registry. Start Menu and/or Desktop shortcuts can be created. If an application is installed, it is right way to include uninstall utility to remove the software package and related data form the computer.

 

Installation enables applications to enjoy capabilities of Windows such as multiuser environment.

 

Installation vs Setup

Although Installation and Setup words are used interchangeably, there is one main difference. Basically Installation puts an application (and other files) on a computer in a predefined structure, records some information about the application in the operating system and make it ready to run while setup configures the application before it is run.

 

Credit

Pelles C for Windows is used for development.