How do I change the theme in Visual Studio?

You can change the theme in Visual Studio through the Options menu. Here's how:

1. On the menu bar, select Tools > Options.
2. In the options list, navigate to Environment > General.
3. In the Color theme dropdown menu, select your preferred theme (Dark, Light, Blue, or Blue (Extra Contrast)).

That's all there is to it! The Visual Studio interface will update to reflect your chosen theme.