The upper portion of the interface provides you access to most important features which is represented by customizable icons. There is a center list which is home to all the files that are to be processed. Once installed into your system you will be greeted with a very well organized and intuitive user interface. IDM Internet Download Manager is an imposing application which can be used for downloading the multimedia content from Internet. Its full offline installer standalone setup of IDM Internet Download Manager 6.39 Build 2. IDM Internet Download Manager Free Download.