Luck and exploring, or combining Ender Pearls and Blaze Powder into Eyes of Ender, then throwing them (right-click) and following them until they go into the ground. Mind the lava!
If you throw an Eye of Ender into the sky, it will go in the strongholds direction. When your on top of it, it will go straight to the ground
It just takes a bit of time. Keep throwing eyes of ender, they will lead you in the right away and when they go straight down the stronghold is beneath you.
This is not the place to find out about Minecraft. Look at the Minecraft Wiki to find out about the game in general.
You can find it at the minecraft skindex
There are no rabbits in vanilla Minecraft.
You can find Minecraft gifts and other products directly at the Minecraft website. You can also check online shopping sites such as eBay to find merchandise from Minecraft.
minecraft classic and minecraft beta singeplayer, all on minecraft.net
In vanilla minecraft there are no endermen bases.
Minecraft PE 0.8.0 does not have squids in it.
Modloader can be found in the modding section of the minecraft forums.
You can find glowstone in the Nether.
You cant find a giant mob in vannilla minecraft but you can sumon him using a command or a spawner.
The Ender Dragon is a part of Minecraft, not a mod. You probably need to update Minecraft.
Minecraft seeds can be found on the Minecraft forum. See the related link below.