USE AND CONFIGURE ARDUINO

Purchase an Arduino and get its latest software from
http://arduino.cc/en/main/software

install it normally like other softwares and after installing and its visual will be

Now the the first thing after opening this we have to check that whether our software is connected to our Arduino’s version and its port

Tools/Board/Arduino "MODEL"    (for version selection)
Tools/Serial Port/Com3   (for connection)

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Now after doing all the above stuff we had configured our Arduino "MODEL"

Now will test it. Go to

File/Examples/01 Basics/Blink

It will be like

On your  working sheet a program will appear and then click the forward button (which is circled red).
After hitting that button the software, by itself, will compile and send it to your Arduino.
Look at your arduino your Led labeled L on ur device will On n Off for 1 sec both.

Please send me mail and if you find something difficult.

Thank You.