The author, a long-time Linux enthusiast, critiques the Windows user interface, particularly its lack of customization compared to Linux. They review Seelen UI, a customizable desktop environment for Windows, which enhances the Windows 11 experience with features like tiling windows, a media module, and various themes. Installation can be done via the Microsoft App Store or by downloading a binary installer, requiring Microsoft Edge and WebView. The customization process is user-friendly, allowing users to adjust settings and apply themes, resulting in a more visually appealing desktop.