# Themes

This help article will demonstrate a step by step tutorial how to customize the ControlDefault theme for **RadProgressBar**.

1. Open [VisualStyleBuilder](https://www.telerik.com/products/winforms/documentation/tools/visual-style-builder/overview): Start menu (Start >> Programs >> Telerik >> UI for WinForms \[version] >> Tools).

2. Export the built-in themes in a specific folder by selecting *File >> Export Built-in Themes*.

3. Load a desired theme from the just exported files by selecting *File >> Open Package*

4. Select **IndicatorElement1** in *Controls Structure* on the left side. Then, select **UpperProgressindicatorElement** in the *Elements* section.

   ![WinForms RadProgressBar Controls Structure](https://www.telerik.com/products/winforms/documentation/assets/9266ec12388ef7fbf2e58e5e61e9a01b/progressbar-customizing-appearance-themes001.png)

5. Modify the applied *fill* repository item.

   ![WinForms RadProgressBar Edit Fill](https://www.telerik.com/products/winforms/documentation/assets/e33b0363e153b1bece5552dbcf1e1568/progressbar-customizing-appearance-themes002.png)

   ![WinForms RadProgressBar BackColor](https://www.telerik.com/products/winforms/documentation/assets/dea17b82dcefe6a521833b11bc3e87eb/progressbar-customizing-appearance-themes003.png)

6. Save the theme by selecting *File >> Save As*.

7. Now, you can apply your custom theme to **RadProgressBar** by using the demonstrated approach in the following link: [Using custom themes](https://www.telerik.com/products/winforms/documentation/styling-and-appearance/using-custom-themes)

# See Also

* [Getting Started with VisualStyleBuilder](https://www.telerik.com/products/winforms/documentation/tools/visual-style-builder/getting-started)
* [Working With Repository Items](https://www.telerik.com/products/winforms/documentation/tools/visual-style-builder/working-with-visual-style-builder/working-with-repository-items)