So this is how you update your client from 1.6.2 to 1.6.4
Skills needed:
Common sense
1.First you wanna open up eclipse then go to ThreadOnlineConnect and find this.
change the 74 to 78.
2.Then go to GuiSlotServer and find this.
change the f == 74 to f == 78.
Then find
Yet again change the 74 to 78
3. Go to NetLoginHandler
Find this and change 74 to 78(I already pretyped the 74's to 78)
4. Find ThreadConnectToServer and find this.
Pretyped again just change the 74 to 78 and your done!
Video TUT my channel also contains how to make hacked clients