How to Use the New Mac App Store?
With the Mac App Store, getting the apps you want on your Mac has never been easier. Then, how to use the new Mac app store? This tutorial teaches you how to use the new Mac app store.
In order to use the new Mac app store, you must be running the latest update of Mac OS X Snow Leopard. To update, click the Apple symbol at the top left of your screen and then click Software Update. The App Store for Mac keeps track of your apps and tells you when an update is available. Update one app at a time or all of them at once, and you'll always have the latest version of every app you own.
When the update is complete, the App Store icon will automatically appear in your dock.