DiskView integrates into Windows Explorer and allows you to visualize your hard drive space usage by clicking the newly added toolbar button. It helps you find large files and folders, and allows you to view how disk space is organized. The software offers a new folder bar, that adds size indicators to folders, and a Visualizer which opens in the lower part of your Windows Explorer when the button is clicked. The Visualizer provides an interactive chart (pie or bar chart) that displays the disk space usage for the current folder or drive. Additional features include support for S.M.A.R.T statistics and disk health monitoring, network drives, printable reports and more.

The license of this software is Free Trial Software, the price is $39.99, you can free download and get a free trial.