Creating a new document
Before you can draw or animate in Flash, you need to create a new document. You can create a new document from the Welcome Screen or from the File menu at the top of the screen.
1. The Welcome Screen of the Flash is the launch pad for creating and opening files. It appears when Flash is first launched or when no documents are open in the application.
From the Create New column in the middle of the Welcome Screen, click on ActionScript 3.0.
2. From the File menu, choose File > New to create a new document.
The New Document dialog box appears. Under the General tab, choose ActionScript 3.0., and press OK to create a new document.
Now, your workspace appears as shown in following figure.