Sometime you wish you had bought that larger harddisk because you are running out of space now. You can fight back and regain your space with some tools.
But if you just want to check where all the GB have gone to, you need tools that will show you visually why you are running out of space.
With these programs you can discover that you have a big download somewhere hidden in a folder, that you can easily delete.
I use it to check why my webspace of my wordpress website is growing so exponentially.
A picture is worth a thousand words so here they are.