From raspberry pi wiki
This page serves for the images or docments download. Sometimes, you need some tools to help you burn them into your device. You can find the images installation tutorial in this page.
How to install the image to your pi
Images for LCD screen
Tools download directory Format tool: File:SDFormatterV4.zip or SD Formatter 4.0 for SD/SDHC/SDXC; Burn tools : File:Win32DiskImager.zip or File:Usbit162.zip, you can run this from a USB drive.