You can change the appearance of a VCL application by using a style. A style is:

A set of graphical details that define the look and feel of a VCL application.
Similar to a theme in Windows.
A style permits you to change the appearance of every part and state of a control. VCL controls are made up of parts and states. A VCL style consists of a set of values for each of these parts and states. For instance, a scroll bar has the following parts: frame, slider, and the two side buttons for each direction. The side buttons, for example, have the following states: pressed, disabled, hot, normal.

It Includes:
VCLStyle-Windows11ModernLight-20240424
VCLStyle-Windows11PolarDark-20240424
VCLStyle-Windows11PolarLight-20240424
VCLStyle-Windows11WhiteSmoke-20240424
VCLStyle-Windows11ImpressiveDark-20240424
VCLStyle-Windows11ImpressiveLight-20240424
VCLStyle-Windows11MineShaft-20240424
VCLStyle-Windows11ModernDark-20240424

Only for V.I.P