how to recover deleted files?

There are many free data recovery programs, try one of the followings ;-

1] Recuva www.recuva.com

Pronounced "recover" is a freeware Windows utility to restore files that have been accidentally deleted from your computer. This includes files emptied from the Recycle bin as well as images and other files that have been deleted by user error from digital camera memory cards or MP3 players.

Runs on Microsoft Windows Vista, XP, 2003, 2000 and 98.



2] PC inspector 4.x
www.pcinspector.de/default.htm?Language=1

Data recovery program, Runs on Microsoft Windows Vista, XP, 2003, 2000 and 98. [supports the FAT 12/16/32 and NTFS file systems]


-Remember to be able to use PC INSPECTOR™ or Recuva you need a working WINDOWS™ System.



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others
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MS-DOS version

NTFS Reader www.ntfs.com/products.htm

Provides read access to NTFS drives from the MS DOS environment, very useful if you dont have a running windows.



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TestDisk [works on linux too]

www.cgsecurity.org/wiki/TestDisk

TestDisk is a powerful free data recovery software, it was primarily designed to help recover lost partitions and/or make non-booting disks bootable again. Can run under;-

DOS (either real or in a Windows 9x DOS-box),
Windows (NT4, 2000, XP, 2003, Vista),
Linux,
FreeBSD, NetBSD, OpenBSD,
SunOS and
MacOS

Yaaqot
September 2008