DirSize

DirSize is a small software utility which enables you to scan your entire computer, so as to display all the folders and the size they occupy.
This tool is portable, which means you can easily bypass the installation process. As a consequence, the Windows registry and Start menu/screen are not going to suffer any changes, and there will be no leftovers after its removal.
In addition to that, you should know that if you copy the program files to a pen drive, you can easily use DirSize on any computer you gain access to, by simply clicking the executable.
The interface can only be characterized as simple, seeing it only encloses a panel for the tree view, a drop-down menu and a few buttons. It can be easily used by all types of users, even those with little or no experience whatsoever with computers.
When launching the app, it automatically starts the scan, so you do not have to trigger it. Once it is done, all directories will be displayed in a simple tree view, with their size in curved brackets, so that you easily see which ones occupy the most space. The size can be expressed in bytes, kilobytes, megabytes or gigabytes.
The tool does not encompass Help contents, yet they are not actually necessary when considering how simple to use it is. Furthermore, our tests have revealed it is quite friendly to the system’s resources.
To conclude, DirSize is a small, yet useful piece of software which helps you see all your PC’s directories and their size, with a good response time. Nonetheless, it lack of further options might drive away power users.