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Best program to visualize file system usage on Windows?

I just bought a new pc. I have 2 hard drives. One is C, an SSD HD of 60 gb where is installed Windows and the other is a normal HD of 2tb.

When i started the first time my computer I found that the space on C was just 20 gb. Someone told me to move the paging file to D so now i have 34gb, but im still missing 10 gb.Im really worried as i need to install some software that requires 10/15 gb of space.

Can someone help me to know where these 10 gb are and if there is some opportunitis to create more space on C?

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marked as duplicate by Bobby, Breakthrough, Sathya Mar 2 '11 at 14:55


More than likely it is being used by Windows System Restore Points. –  Moab Feb 28 '11 at 20:32
Some may be lost to the great gods of Manufacturer Megabytes: en.wikipedia.org/wiki/Hard_disk_drive#Capacity_measurements And a page from Apple suggests that 5GB can be lost that way on an iPod, which would be comparable to what you would loose with Windows... discussions.apple.com/message.jspa?messageID=1803224 –  Mokubai Feb 28 '11 at 20:36
SSD drives have a 'reserved' section for failed cells. It's often included in disk size specs. –  Jakub Konecki Feb 28 '11 at 21:16
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3 Answers

very hard to say without looking at the Disk management?

Can you send a screen shot of your disk management on here? To get this go to


This might provide a few more answers to your missing space

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I went to disk managment but it not seems there are a lot of informations, i have a screen capturer but dont know how to upload on here –  marsio Mar 1 '11 at 0:14
you will have to uploa the pic somewhere and provide a link to it on here using the following syntax. { ![Network Diagram][1] } minus the curl braces and then put the following { { [1]:whateverthelinkis } –  IanN Mar 1 '11 at 0:40
I follewed someonline tutotials and i reduced the percentage og the restore points usage and now seems that i recovered 10 gigs :) –  marsio Mar 2 '11 at 18:34
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JDiskReport ( http://www.jgoodies.com/freeware/jdiskreport/ ) is your friend.

I find this little tool invaluable in finding where all my hard drive space has gone.

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Or try TreeSize Pro, which analyzes your disk space and provides the results in clear statistics and diagrams: http://www.jam-software.com/treesize/ (free trial for 30 days)

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