A trial version program for Windows, by Stardock.

WinCustomize Browser allows you to customize your Windows interface. Make the most of all the skins, icons, and themes included in the app. You can download and manage your content without needing to rely on any other software.

The app offers a preview option so you can check the final result before applying any of the changes. It also includes an internal search engine, as well as options to add comments or to speak with other users by means of a chat channel.

If you want to customize the appearance of your operating system, try out WinCustomize and WinCustomize Browser.

The WinCustomize browser allows you to instantly access thousands of skins, icons, themes, wallpapers and more right from an easy to use program.

Not only can you access them, but the browser can directly apply them to your computer without having to interact with the underlying software.