There seems to be a slight mix-up in names: “Winpix” is not a consumer customization software for wallpapers or screensavers, but rather a misnomer for Microsoft PIX on Windows, a technical performance tuning and profiling tool used by game developers.
If you are a developer troubleshooting graphics assets or games, Microsoft PIX on Windows saves performance data logs using the .wpix file extension. However, if you are looking to heavily customize your Windows interface, there are several highly rated, community-favorite software tools designed specifically for that purpose. Best Alternative Tools for Customizing Windows
If your goal is to break away from basic static backgrounds and create an aesthetic, functional desktop environment, consider using these actual customization apps instead:
Lively Wallpaper: A completely free, open-source application available on the Microsoft Store that animates your desktop. It allows you to convert local video files, GIFs, and even interactive web URLs (like YouTube videos) into smooth, living backgrounds.
Wallpaper Engine: Available on Steam, this is the most popular premium tool for high-quality, community-driven live wallpapers. It supports an enormous workshop of user-created animated backgrounds that can react to your system audio or mouse movements.
Rainmeter: The ultimate desktop customization engine. It allows you to place interactive widgets (“skins”) directly on your desktop to track hardware stats, display clocks, launch apps, or add audio visualizers that sit neatly over your chosen wallpaper.
Endless Slideshow Screensaver: A dedicated tool if your primary focus is screensavers. It automatically downloads stunning photos from selected internet categories and cycles through them using hundreds of unique transition effects. How to Use Built-In Windows Settings
If you prefer to stick to native options without downloading third-party software, Windows already includes flexible built-in tools to personalize your workspace. 1. Customizing Your Desktop Wallpaper
Change the desktop background in Windows – Microsoft Support