Portable Software

  Portable software is a type of software that can be used without installation in any computer. In other words there will be an executable that can be run in Windows computers.This is generally used from usb drives.
  The advantage here is its possible to use one's choice of software in any pc.And of installation/uninstallation is no longer needed.
  This software is available by default in U3 drives;for other drives these software need to be downloaded from the internet.
  One good website that hosts these applications is portableapps.com.Here the portable versions of many popular softwares is available for download.To use them download the file,install the file to folder initially and then use the software present in the folder in any pc.
  They also have an application launcher(similar to the Start menu) as a single point to launch portable applications.This is how it looks like:

 To get the portable versions of other softwares search for the portable version online;in many cases it will be available.