Astrio Usage Inspector is a program for monitoring Windows system load in real time. The program displays current CPU usage in percent RAM usage in megabytes and percent of total capacity GPU model GPU VRAM volume as well as occupied and total disk space. The Enable Desktop Overlay button switches the program to desktop overlay mode where the same indicators are displayed directly on the screen in colored semitransparent text without a window frame and the Return to Window Mode button returns to normal windowed mode.