Internet Download Manager (IDM) is a software that allows users to download files from the internet at a faster speed. It has a user-friendly interface and supports multiple protocols including HTTP, HTTPS, FTP, and MMS. IDM can automatically integrate with popular web browsers such as Chrome, Firefox, and Internet Explorer, and can also be used to schedule and resume downloads. The software also has a built-in video grabber that can download videos from popular video sharing websites.