I heard someone saying that We could send fax from computer and actually can receive fax on the computer. Now if it is possible could I Please get instruction? Thank you all!

From PC to a Fax machine - Fax a .DOC, DOCX, or .PDF

2 free per day
https://faxzero.com/

Fax a typed in message - PC to fax
TPC.INT: Send a fax (http://www.tpc.int/sendfax.html)

You can find more information with Google

Hi! All instructions at www.popfax.com (http://www.popfax.com)

Windows 7/Vista:

Sending and Receiving Faxes in Windows 7 (http://faxauthority.com/windows-7-fax/#FaxFromWin7)

Windows XP:

How to enable and configure the fax service in Windows XP (http://support.microsoft.com/kb/306550)

You will need a reguler phone line to do this with and hook it to a modem on your computer.

I use eFax which is a very good service.