Autoruns is a free utility from Microsoft that helps users see which programs are set to run automatically when their computer starts. It provides a comprehensive view of all the startup items, including those in the Windows registry, startup folders, and scheduled tasks. This tool is particularly useful for identifying unwanted or malicious software that may slow down your system. By using Autoruns, users can easily disable or delete unnecessary startup entries, improving their computer's boot time and overall performance. The interface is user-friendly, allowing both novice and experienced users to navigate through the various categories of startup items with ease.