Windows 7 Question of the Year, Answered? (No. Updated.)

I've gotten a number of emails from people who received an Upgrade version of Windows 7 in the mail and installed it on a new or formatted PC without having to resort to any tricks (like the Vista-era "install it twice" hack). If true, this does of course answer the number one remaining question about Windows 7: How do you do a clean install with Upgrade media? Apparently, with no effort at all. I will test this as soon as possible of course, but it's a very busy day so I'm not sure when I'll be able to get to it. In the meantime, it looks like we're getting some good news here.

If you have done a clean install with Windows 7 Upgrade media (i.e. there is no other OS installed on the PC at the time), please post here and let everyone know.

UPDATE: I tried this type of install in a VM and it did not work. Based on the error message I got, the Vista-era rules apply. That is, you'll have to do a stupid "install it twice" workaround as described above. Sigh.

Discuss this Article 108

subzerohitman721
on Oct 23, 2009
I really don't understand why people put themselves through an aneurysm when the solution to the problem of new OS is quite simple. Backup your data and clean install! I don't care if your a Mac user or a Windows user. The very same rules apply. That should be the rule each and everytime. I didn't take the hard and ridonkulous road. I bought the full version of Windows 7 Home Premium and did a clean install. Done in 30 minutes. Then the Microsoft updates and adding the latest 3rd party software (AKA: Java, Flash, etc) took 30 minutes. Reinstalled Office 2007. Rebuilding iTunes took a bit but I've done it so many times, its down to clockwork. So now I'm up and running. It feels like the RTM is just a hare faster than the RC. I'm liking that. So kudos for Microsoft for building Windows 7 64 that finally beats Apple OS-X 10.6 Snow Vista. Great job.
maklen
on Oct 23, 2009
Here are my experiences trying to clean install Windows 7. First up is the successful try. My home computer had Vista Home Premium 32bit installed on the C drive. I had 3 games installed on a 2nd physical D drive. I ordered Windows 7 Home Premium upgrade from Amazon. Last night I, unplugged the hard drive containing the C drive. I unplugged the SATA cable to be exact. This left only the “D” drive which was not bootable. I booted my computer from the 64bit Windows 7 upgrade DVD. I choose the advanced install (or is called custom?). I formatted the drive. Windows 7 finished installing. I activated Windows 7, and even installed Microsoft Security Essentials which has its own check. There was no visible check for an older O/S. I didn’t have to put in an old media. There was no Windows.old folder to delete, just a clean install. My other experience was with my work computer. I downloaded the Windows 7 Pro 64bit upgrade ISO from Microsoft’s eopen site. I burned it to a DVD using Windows 7 RC ISO burner. This DVD was not bootable. So I had to format my computer, install Windows 7 RC, upgraded to Windows 7 RTM, and delete the Windows.old folder. Before this I tried upgrading from Vista Pro 32bit to Windows 7 Pro 64bit and that didn’t work. I had two different experiences with media from two different sources. So the questions is…was my D drive that was part of a Vista installation but only had three games installed and no operating system enough to pass the upgrade check? If yes, then what was it about that drive that was enough? Or was there no upgrade check?
chipwinter
on Oct 23, 2009
So are the people posting in this forum more tech-savvy or less tech-savvy than the general population? There's no way that upgrading a computer can be this head-scratching.
tayme
on Oct 23, 2009
chipwinter has a point...but most upgrades will go something like this, since in response to his question, most here are more tech-savvy than the general population. Of course, the obvious trolls are the exception. - Shutdown PC - Drive to Best Buy - Select a new PC or one of the package deals that they are offering - Collect Best Buy Reward points - Drive home - If Home setup was not selected; unbox, connect, and power on new PC(s) - Enjoy Windows 7 --tayme
sjaak327
on Oct 23, 2009
"2006 OS (10.5 "Leopard") -> 2009 OS (10.6 "Snow Leopard") - Upgrade or clean install" ONLY if that mac has an intel processor. If it has a powerpc chip you also need to buy a new machine. Not sure what all the fuss is about, does the install twice trick not work anymore ? If so then you could always simply install XP, activate it and do a clean install this way.
lotsamystuff
on Oct 23, 2009
"There's no way that upgrading a computer can be this head-scratching." Everything's easier on Windows. Right? "tayme" is right. Most people will just say "screw it" and buy a new PC. They're so cheap as to be basically disposable. Long live capitalism!
sjaak327
on Oct 23, 2009
It is not head scratching. If you upgrade, you upgrade from an existing version of Windows. So the vast majority of people will just do that. Which means a clean install with migrated settings going from XP to 7, and a full inplace upgrade going from Vista to win7. Now for the people that somehow want to upgrade on a clean disk, just try the win7 - win7 approach, I am guessing it still works. (like it did almost three years ago with vista). If all else fails, install XP or vista, and do the clean install, I mean you do have the original media that entitles you to this upgrade right ? :) Otherwise there are other ways..
mikegalos@msn.com
on Oct 23, 2009
sjaak '"2006 OS (10.5 "Leopard") -> 2009 OS (10.6 "Snow Leopard") - Upgrade or clean install" ONLY if that mac has an intel processor. If it has a powerpc chip you also need to buy a new machine. ' Yeah, I was trying to be nice to the Mac people there. The reality is that they've abandoned their users about once a decade by picking the wrong processor family. M680x0 abandoned in 1998 after a 5-year transition PowerPC abandoned in 2009 after a 3-year transition What's pretty unforgivable this time was that they killed off PowerPC support only 3 years after they were still selling it for a premium and calling it the future of computing.

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