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Tom's Hardware > Forum > Windows 7 > General Discussion > Windows anytime upgrade vs clean install

Windows anytime upgrade vs clean install

Forum Windows 7 : General Discussion Windows anytime upgrade vs clean install

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buggaby   05-22-2011 at 08:37:38 PM

I'm wondering about the how the Windows 7 Anytime Upgrade from Home Basic to Professional works compared with a clean install of Pro. I read somewhere that when switching from Vista to 7, you could do the "upgrade" version, but it resulted in a slower OS than just doing a clean install of 7. Since this is just versions of the same OS, maybe that's not a problem here. It would certainly be easier to spend 10 minutes rather than doing a complete install! Does anyone have any knowledge about the efficiency of the Anytime Upgrade for Windows 7?

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Gman450   05-23-2011 at 06:24:06 AM

Yeah, I heard about this too. The anytime upgrade from vista to 7 can make the OS slower. Its better to do the clean install, so that no files may go corrupt or end up bad.

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buggaby   05-23-2011 at 08:09:42 AM

I guess I was wondering if this is true even for the version upgrade. It's not a whole new OS. There are just a few extra features, so maybe it's effectively the same as a clean install...

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Gman450   05-23-2011 at 08:32:16 AM

Guess so.

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Herr_Koos   05-23-2011 at 09:34:51 AM

The anytime upgrade shouldn't have to much of a system impact. My guess is that the upgrade doesn't touch the core of the OS but simply adds the features missing from the lower version. This is much less of an impact that switching from Vista to 7.

I don't have much evidence to back this up though, just a bit of speculation.

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Supermuncher85   05-23-2011 at 09:11:00 PM

I upgraded from home to ultimate and I can't say I noticed a negative performance difference. I did however get a bucket load of new features like network backup and bitlocker.

I will say though that professional really has all the features one needs. I only went ultimate because I got the upgrade for free.

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Zenthar   07-06-2011 at 08:05:20 PM

Just to add to the discussion, I'm not even sure an "Anytime Upgrade" key can be used to do a clean install. I just started doing some tests at home right now using VMWare, but not much luck after only 45 minutes :P

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Supermuncher85   07-06-2011 at 09:26:12 PM

I'd assume your using an upgrade media for the install and not a retail version. Should be an easy fix with the following:

Open regedit.exe with Start Menu Search and navigate to:
HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Setup/OOBE/

Change MediaBootInstall from "1" to "0".

Close RegEdit.

Start Menu on the Command Line utility. Right-click this shortcut and choose "Run as administrator."
Click Yes to the UAC prompt.

In the command line window, type: slmgr /rearm press enter

wait for the "Command completed successfully" dialog.

Then, close the command line window and reboot.
After Windows 7 reboots, Right Click Computer select Properties select change product Key.

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Zenthar   07-06-2011 at 09:45:34 PM

I have a "universal DVD" that I made from 2 retail ones (it includes all the versions except Enterprise in both x86 and x64 flavors). However, my license is really an upgrade one.

I found a website with the information you just provided and plan on testing this tonight. Since I own both an original OEM licence of the base OS and the anytime upgrade one, there should be no "legal issues" of doing so.

I'm trying this to have a 64 bits OS on my netbook (the Starter is only 32 bits so the Anytime Upgrade cannot normally get you to 64 bits).

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Area51reopened   07-07-2011 at 12:30:33 AM

An Anytime Upgrade KEY just adds features to the chosen os!


Message edited by Area51reopened on 07-07-2011 at 01:41:21 AM
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Area51reopened   07-07-2011 at 12:30:33 AM

This topic has been closed by Area51reopened

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Area51reopened   07-07-2011 at 12:30:51 AM

This topic has been reopen by Area51reopened

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Area51reopened   07-07-2011 at 12:32:20 AM

Upgrade media can do a clean install , but not anytime upgrade media,because it is an in place upgrade!

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Zenthar   07-07-2011 at 01:38:11 AM

The anytime upgrade doesn't even have a media, it's a piece of cardboard with a license number and that's all :P

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Area51reopened   07-07-2011 at 01:42:40 AM

Yes, it is a key that unlocks your current version for new features of the chosen os upgrade

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