What is IDM serial key ?
Internet Download Manager (IDM) is a popular tool for video downloading and some other tasks. It is of different versions. You can download your favourite one from the THIS ADDRESS and install it. If you don't know how to install it, see the guidelines here. However, IDM is not a free software. When you download and install it, you have one month trial version indeed. That means you get the licence to use IDM free for one month. After one month you'll be asked to register. Without registration if you