innovative project solutions is stockist of raspberry pi Class B.
open link http://www.raspberrypi.org/downloads
raspberry pi requirements quick-start-guide-v2 downlaod click here
Windows based
i. Download the SD Association’s Formatting Tool
from
https://www.sdcard.org/downloads/formatter_4/eula_windows/
ii. Install and run the Formatting Tool on your machine
iii. Set “FORMAT SIZE ADJUSTMENT” option to “ON” in the “Options” menu
iv. Check that the SD card you inserted matches the one selected by the Tool
v. Click the “Format” button