1)Install Internet Download Manager.
2)After Installation,Use the Patch to Register Internet Download Manager.
Version 5.17 adds IDM download panel for web-players that can be used to download flash videos from sites like YouTube, MySpaceTV, and Google Videos. It also features complete Vista support, YouTube grabber, redeveloped scheduler, and MMS protocol support. The new version also adds improved integration for IE and IE based browsers, redesigned and enhanced download engine, the unique advanced integration into all latest browsers, improved toolbar, and a wealth of other improvements and new features.