Windows 8 Out of Space on C

My brand new Windows 8 machine just alerted me its out of space on C

Is there a quick way to see what is using up all the space?
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Frosty555Connect With a Mentor Commented:

Download and install it. It will show you a breakdown of what folders are consuming how much space.
If it's brand news, first verify if that is true?

(1) Look at drive properties, Disk management (Computer Management in Administrative Tools), BIOS, etc.

(2) Run a hard drive diagnostic tool (preferably from your computer manufacturer).

I'm not familiar with TreeSizeFree, it might be a great recommendation.  As an alternative, i've used FolderSize for years, for just this purpose,

By chance, i used it yesterday on a client's machine.   Turns out,  Google Earth had 300gb of data in the AppData folder
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