Vmware Workstation is one of the best softwares for virtualization.
Well to put it in simple word this is what you can do with it.
Downloaded a new linux distro and wanted to try how the installation works without messing with you orignal harddisk drive well look no further as vmware will help you do that.
Everything is stored in a vmware image file which can be there on any place on you harddrive.
Well still confused how this thing works , this tutorial will simplify everything.
Read Complete Guide Here
1.> NeoWin Forums