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I installed a 60GB SSD for the Windows 7 OS. I want to keep most software off it and install to the D:\ drive. Can I change the default installation drive?

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2 Answers 2

You can change the registry key of

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ProgramFilesDir

from c:\Program Files to whatever you want to be your default install folder

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No, you can't. Most software will let you install to another drive though at installation time if you choose custom. But you can't force it because it uses the %HOMEDRIVE% environment variable and if you change that, Windows will cease to function.

According to Microsoft, this functionality is by design.

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Plus some programs just hardcode it. –  surfasb Jul 6 '11 at 4:41
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I think it is more likely that installers default to %PROGRAMFILES%. –  paradroid Jul 6 '11 at 4:53

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