How can i get Hex editor?

How can i get Hex editor? And how can i use it? Wut thsi program for?

There are a range of hex editors available at places such as www.download.com.

Tnx
And how can i use it? and wut is this program for?

You might want to check out the various Tutorials that have been posted. Unless the tutorial specifically states you need a Hex Editor - in which case, it will tell you what to do - you won't need one.

Oh tnx