Windows 7: Is it possible to clean install?

Hi everyone. I'm about to buy the Windows 7 Professional Upgrade version. Is it possible to do a clean install from it? (I have a preinstalled Windows 7 Home Premium on my pc). If not, what is the preferred product to do this?

Take a look at this:
Windows Anytime Upgrade - Upgrade your Windows 7 edition - Microsoft Windows

No install files needed.
Only the Upgrade key is need.
Anytime upgrade only adds-on the Programs & Features from version to version.
Windows Anytime Upgrade - How to

If it was me, once I bought a version, I would then download the .iso file I needed that corresponded to my license key and platform (32 or 64 bit) from the usual MyDigitalLife link. Then, you can do a full, clean install the normal way, and pop in your key a few days later when you are happy with it.

Ok thanks but if I want to reinstall Windows 7 (fresh install), do I have to use the full version disc of any kind of Windows 7 (HP, Professional, Ultimate)?

Just saw your post. Thanks (Sorry about the double post).

Hello Vonskies,

Yes, you can do a clean install with a upgrade copy of Windows 7. The tutorial below can help show you how to.

Clean Install with a Upgrade Windows 7 Version

Thank you so much I'll come back here later if I have problems.

Quite true that this can be easily done. Also read it in one of Livingstone's NewsLetters a long time back.

But why doesn't Microsoft advertise this feature? And does Microsoft considers it legal? I understand though I am not sure, that an upgrade DVD is very much cheaper than an OEM DVD.

Hello Wanchoo,

Microsoft allowed this option so that owners of legal copies of a qualifying OS (ex: Vista) do not have to install it first, then upgrade to Windows 7. Instead, they will be allowed to install a clean copy of Windows 7 directly. They did this to make it convenient and easier for their customers.

If you do not have a legally owned qualifying copy of a OS to be eligible for the upgrade copy of Windows 7 instead of having to buy a full copy of Windows 7, then you are violating the Microsoft EULA and would be considered to be the same as having an illegal copy of Windows 7.

Thank you so much for this clarification.