You can also click "See project page" to edit the instructions and the Notes and Credits section; and you can click "Share" to share your project. Clicking will take you to the project's page, and there will be a green message above the project saying, "Your project is now shared."
Once you clicked the create button, it will bring you to the editor. There is where you can make your creation. Drag the blocks from the scripts tab, and put it into the blank area called the workspace. Click on the costumes or backdrops tab to create the sprites or background. Click the sounds tab to record, add, insert, or remove sounds the sprite can make.