With a "windows.old" folder created, do I still benefit from a "clean" install?

Edge2010

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Jul 24, 2013
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I backed up everything I needed and was prepared for the Win8 Upgrade Disk to format my computer.

Instead, I only got the options to keep old settings or import them, which makes sense given that it's an upgrade disk. I chose to NOT import them and instead had them automatically moved to a windows.old folder.

My question, though, is because a new OS always brings the benefit of clearing the crud from your last install (4 years of Vista), do I still get the benefit of a "new install" if my old windows files are still sitting there?

If I delete the windows.old folder, I get almost all of my HD space back, so as far as the file system goes, it appears to be a fresh install.

Just was curious if there are any resident "bits" hanging around that will limit my experience having used this method.

 
Solution
Yes, you do get the benefits of a new install. Everything that was on the drive related to Windows is put in the Windows.old folder so that you can recover anything that you might have missed. This article should help clarify things for you:

Where are my files and folders after upgrading from Windows XP or Windows Vista?

None of the registry items or installed programs are carried to the new installation of Windows. Once you have verified that you no longer need any of the files in the Windows.old folder, you can remove it:

How do I remove the Windows.old folder?

Hope this helps,

David
Windows Outreach Team – IT Pro
The Springboard Series on TechNet

WinOutreach4

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Sep 14, 2011
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18,520
Yes, you do get the benefits of a new install. Everything that was on the drive related to Windows is put in the Windows.old folder so that you can recover anything that you might have missed. This article should help clarify things for you:

Where are my files and folders after upgrading from Windows XP or Windows Vista?

None of the registry items or installed programs are carried to the new installation of Windows. Once you have verified that you no longer need any of the files in the Windows.old folder, you can remove it:

How do I remove the Windows.old folder?

Hope this helps,

David
Windows Outreach Team – IT Pro
The Springboard Series on TechNet
 
Solution

Edge2010

Honorable
Jul 24, 2013
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10,510
Awesome. I was hoping for that.

Regarding general performance, do you think Windows 8 does a pretty good job of cleaning house before installing? I keep hearing the voice in my head that says "find a way to re-format and do it all over" but in all honesty, if I'm even at 95% of the efficiency I'd reach by having done a completely "fresh" install, that works for me.

From a file perspective, selecting only the new folders, I get a file size total of just under 20GB which checks out with the Windows 8 64-bit requirements.




 

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