You must be eagerly waiting till my Post on How to install a preferred Android API. Well, you've got 2 options.
1. Install it via Eclipse (Not recommended)
Go to Windows -> Android SDK and AVD Manager
You will get the following window
Select Available packages (Figure 1 - #1)
Check "Android Repository"(Figure 1 - #2)
So far I've pushed you to take one big step to goof around and getting to know things. So you're all set to go. You take a deep breath, and start your very first Android Project; sauntering through a world embellished with amazing, viable ideas for applications. But what if, you see,