Show disk space usage clearly arranged - WinDirStat

(Deutsche Version) With increasing data volume, it gets harder to keep track of all your data and so it can easily happen that the hard drive is full and you don't know which files are responsible for this. To face this problem, there is a useful program: WinDirStat.

This program shows the disk space usage of a partition clearly arranged as you can see in the following image:

You can now select folders and a white border will appear around the disk usage of the whole folder. Every file is represented by a rectangle so you can easily spot big files. Personally, I deleted lots of gigabytes of unnecessary files and can recommend this program to everyone.