why my windows 7 use 29gb of my space? i instal it now

Solution
G
When you install windows or format the PC,software's that the manufacturer have chosen are automatically being installed by default and you can't stop this process.Another reason is because when you reinstall windows updates must be installed in order your PC to be more secure, stable and have better appearance.From default windows install those updates,which they are over 100,but you can stop this process or do it manually when you decide.

In order to recover the space of your hard drive try to uninstalling unwanted programs,go to Control Panel->Under "Programs and Features press "Uninstall programs".About the updates,is not recommended to uninstall updates but you can choose not to automatically install them.To do this go to Control...
G

Guest

Guest
When you install windows or format the PC,software's that the manufacturer have chosen are automatically being installed by default and you can't stop this process.Another reason is because when you reinstall windows updates must be installed in order your PC to be more secure, stable and have better appearance.From default windows install those updates,which they are over 100,but you can stop this process or do it manually when you decide.

In order to recover the space of your hard drive try to uninstalling unwanted programs,go to Control Panel->Under "Programs and Features press "Uninstall programs".About the updates,is not recommended to uninstall updates but you can choose not to automatically install them.To do this go to Control Panel->System and Security->Under Windows Updates press "Automatically Install Windows Updates"(I'm now sure is it says Automatically Install Windows Update but you will see something similar.
 
Solution

XaveT

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Jul 15, 2013
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Also, this will depend on your settings and hardware.

Windows 7 also creates a hibernation file and a page file on the primary disk. These are a percentage of hardware memory in size, and could easily be what you are looking for to get rid of.

If you don't plan to use the hibernation feature, you can remove that space-hog easily.
Open an elevated command prompt (find Command Prompt in your Start Menu and right-click, Run as Administrator)
Type "powercfg -h off" and press Enter.
This disables hibernation and removes the file on next boot.

The page file is a little more tricky, simply cause of bad software authors (it's a long story, short version follows). I have run without one for years effectively, until some application decides it "NEEDS" one, and acts weird without one (crashes, randomly slow, etc.). I honestly don't remember the application that makes me say that now, but the solution was reenable the page file.

There are many guides talking about what your page file "should" be set at. With modern memory management, you really don't have to mess with it unless you need the space. Then it would depend on what you are doing and how much extra memory you really "need" as to how big to make it.

In the end, maybe you could update your question to have more details? I'm not sure exactly what you meant in it.
 

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