information related to arduino duminilove

hiii friends i am new to instruct table even i am not able to use arduino proparly so friends i want to know that:-
if i want to erase the earlier programe from my arduino and want to upload a new one to it so how will i do it.
please help me 

mpilchfamily4 months ago
Use the Arduino IDE. That is where you will program your sketch and upload it to the Arduino. Go to the Arduino Web Site and start reading everything there to get started.

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