Go to Minecraft.net/login
Download the game
Go to single player and create a new world in creative mode
Start your world and find a good place to start building
Open your inventory
Drag your items to your "Hotbar"
Get your picture
Make the feet (Right Click to build) with green wool
Make the body with red, and yellow wool from the ground up.
Make the head with green wool, smooth sandstone, red wool, and yellow wool
Make the arms with green wool and smooth sandstone