PART files How do i Put them Back to Normal

[NayNay1991x]

Hello, I Was wondering how You put PART files like the picture below so it can be used as normal ? i want a programme That is easy to use

Picture Below of what i mean:

<a href="http://img204.imageshack.us/my.php?image=partfilesfn1.jpg" target="_blank"><img src="http://img204.imageshack.us/img204/3320/partfilesfn1.th.jpg" border="0" alt="Free Image Hosting at www.ImageShack.us" /></a>

 

[CrazeD]

Just click the first one and it will act as one file.