WinDirStat is a freeware disk usage statistics viewer and cleanup tool for Windows. This system utility tool identifies how much disk space you are using by reading the whole directory tree and presenting it in three views: directory list, treemap, and an extension list. The directory list resembles the tree view of Windows Explorer, the treemap shows the entire contents of the directory tree straight away, and the extension list shows statistics about the file types. After it goes through the drive, a range of colors are displayed for each file type showing you how much space each file type takes up and you can even delete the files from inside the program. WinDirStat is full of features for managing your disk space. For more information go to WinDirStat.com and for the easiest download visit the download page at Download.com