Hey guys which ever minecraft you have, you must download the link below such as, I have Beta 1.4 so I would download the 1.4 link. YOU MUST HAVE WINRAR DOWNLOAD BELOW.

Beta 1.5: [ Register or Signin to view external links. ]

Beta 1.4/1.4_01: [ Register or Signin to view external links. ]

Beta 1.3_01: [ Register or Signin to view external links. ]

Beta 1.3: [ Register or Signin to view external links. ]

Beta 1.2: [ Register or Signin to view external links. ]

Winrar: [ Register or Signin to view external links. ]

Note: The 1.4 link will work for 1.4 and 1.4_01 But the link to 1.3 and 1.3_01 is 2 separate downloads so choose the RIGHT one.

Now once you have downloaded the file,
1) go to run
2) type in, %appdata%
3) click on the .minecraft folder
4) Open the bin folder
5) Right click the minecrfat.jar file then open it with Winrar
6) Now open up the hack you downloaded with winrar and drag all the items from the hacked folder into the minecraft.jar folder
7) Dont drag in the readme.txt
Step 8: Now in the minecraft.jar folder look for a folder that says, 'META-INF' and delete it (it should be somewhere at the top). Or the hack will not work.

Now if you don't get how to do this here is a tutorial video of mine, very simple.