Scratch is an application that allows users to create interactive stories, games, and animations using characters they design and command blocks to program interactions, and share their creations online. It can be launched from the Start menu or desktop icon, and offers features like character painting, stacking programming commands visually, and saving files with the .sb extension through the file menu options.

1. SCRATCH -
 It is an application software which helps us to
create interactive stories, games and
animations, and share our creations.

2. Features of Scratch
 Design games and animation using our
favorite character.
 Create and paint new characters.
 Stack command like lego blocks.
 Share our creations with others on the web.

3. Starting Scratch
 Click at Start -> All Programs -> Scratch ->
Scratch
 Or double click at scratch icon on the
desktop.

4. Scratch Window

5. To open a file - Go to file
menu and select open option

6. To open a file - Go to file
menu and select open option

7. To save file - Go to file
menu and select save option

8. To save file - Give the
filename and click ok

9. A SCRATCH FILE IS SAVED BY
.SB EXTENSION.