# Step 4 of 4: Running the Project

Learn how to execute and run the C1Editor WinForms application.

## Content



Press **F5** to run the project and follow these steps:

1.  Add some text to the editor.
2.  Click the **Apply CSS** button. Notice the cascading style sheet is applied to the text.
3.  In the [C1EditorToolStripMain](/componentone/api/win/online-richtexteditor/dotnet-framework-api/C1.Win.C1Editor.4.8/C1.Win.C1Editor.ToolStrips.C1EditorToolStripMain.html) control, click the **Source view** button to view the code and then click the **Design view** or **Preview** button to switch editor modes.
4.  Click the **Find** button to search for an item in the text. This opens the **Find and Replace** dialog box.
5.  Click the **Save** button and enter a name for your document. You can open it again later by clicking the **Open file** button.

Congratulations! You have successfully completed the **Editor for WinForms Quick Start**.