How to transfer data one system to another system

just use a pen drive or external hard disk

Save data from one computer on a CD or a Pen Drive. Insert CD or Pen Drive, on which files have been saved, on to the other computer. Open files of CD/Pen Drive one by one and save in the hard disk of the other computer. Or you can select all the files on the CD or Pen Drive at a time and paste the

you can use internet mailing known as e-mail by attaching data to it. f you can do course like basic computer course from any nice institute