A couple of years ago I wrote about a free command-line hard disk usage analysis program called Xinorbis. You'll find the original story at http://www.techsupportalert.com/content/powerful-free-command-line-tool-... if you're interested. At the time, I pointed out that only the command-line version was free, and that you'd need to shell out $5.50 if you wanted the Windows version.
The good news is that things have changed. All versions of Xinorbis are now free. And the even better news is that, if you really want to explore the contents of your hard disk (or someone else's, if perhaps you're trying to help them find where all the space has gone), then you simply won't find a better utility.
Whether you're trying to find duplicated files, or to sort your files by size or category, or just about anything else, Xinorbis has a graph, chart, list or table that will help you find the answers you're looking for, with just a few clicks. It's an incredibly useful troubleshooting tool, and is only a 7.5 MB download too.
I tested it under Windows 8.1 but it should work under all recent versions. And it's malware-free too, according to Web of Trust and VirusTotal.
Get your copy of Xinorbis from http://www.xinorbis.com/downloads.htm and see what you think.
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