Minecraft Version 1.9 Pre Release 6

C:\Users\(user name)\AppData\Roaming\.minecraft\bin

and replace the minecraft.jar with the one in the .rar file
just run minecraft like usual and it should work fine

Misc.
Square Moon/Sun
Water physics fixed.
Explosion damage 'fixed'.
Enderdragon is IN the game.
Endgame.
List of bugs fixed [F] here. Known bugs/Version 1.9pre5 - Minecraft Wiki
Redstone takes longer to mine.
Option -> Particle change (Void).
Mining Obsidian takes about 3 seconds. Bug?
ALL doors require redstone - BUG - Confirmed.
New blocks
Enderdragon healer
Enderdragon egg

Stairs drop stairs when mined.
Iron bars mine faster.
Infinite lava has been removed.
Baby sheep are now the color of their parent.
The "F" key commands have been removed.
Redstone unplaceable on glowstone. Bug?


The Enderdragon's health is now shown at the top of the screen in a purple health bar when you are in the End.The Enderdragon now spawns a platform with an End portal and a pillar with an Enderdragon egg on it in its center.Entering the portal causes the end game text/credits to roll(and then respawns the player in the overworld as if they died)

Squids swim up. Passive squid animation is now vertical.
Slimes no longer have a 'depth y0-16' restriction.
Pigmen no longer accumulate fall damage while swimming in lava.
Ender Dragons
Now take damages by player.
Glows purple when killed, disintegrates and floats upwards - new animation effect.
Drops loads of XP and one obsidian block.
Have the same eye shining thin Enderman has.
Dragon makes "a player gettin hit sound" when damaged.

Mobs 'neutral' in creative mode. Except for spiders, ghasts, and silverfish.. Note: Enemies from spawners are still hostile.
Dragon Eggs. - Not in game, recently tweeted by Notch.
Baby animals in SMP.

The Single player File
VirusTotal - Free Online Virus, Malware and URL Scanner
pre release 6 SP.rar - Jotti's malware scan
Sever Jar
VirusTotal - Free Online Virus, Malware and URL Scanner
Pre release 6 server.rar - Jotti's malware scan