Every now and then I realize my hard drive is 90% full. When that happens I turn to WinDirStat to find out why. It’s a free program that creates a chart that graphically represents what files are on your computer, color coding by file type. This easily lets you see what’s taking up all that precious space. Sorry non-windows users but WinDerStat is windows only, but if your on linux try KDirStat and Mac users give Disk Inventory X a try, I haven’t used either of those so leave …