Portability Software is the ability of software migration from one computer to another without reinstalling. In the absence of a better translation of portability could be translated as portability.
Software portability
Ease with which software can be transferred from one environment to another, indicated by the following sub-features: adaptability, the ability to install, scalability and interchangeability.
Portable versions of the software have many advantages. They can run from USB or any other portable drive, which it previously installed, and run on any computer. All settings are stored right where the folder and leave no trace on the computer where they are used. Therefore the safer by computer, uses less memory, and can not always cope with them. That’s why many users prefer. You can use them when, for example, you want to run a particular program from someone else’s computer, because you are not sure that this program exists there. Software you can keep in your online storage, such as Dropbox or Onedrive (formerly Skydrive), but to run them out if necessary.