PerfPeek - Real-time Windows performance monitor, media tools, and diagnostics for CPU, GPU, RAM, temps, disks, and network activity. PerfPeek is a lightweight Windows companion for power users, technicians, and enthusiasts. It runs from the system tray with compact live stats, detailed performance views, hardware sensor readings, alert thresholds, disk and speed tools, and optional add-ons you can enable or hide. Recent updates add a richer Audio Player with saved collections, direct Windows Open With support, and a Video Player with fullscreen playback, stats, audio/subtitle controls, HDR badges, drag-and-drop opening, and hardware/software decode options.