I know that I will need to do a clean install if I go from XP to Vista (I always do clean installs anyway). My question is, can I use my XP CD to upgrade to Windows 7? I never purchased Vista. What do you NEED to have to do the upgrade? A CD, a license for Vista? Thanks for the help.
If you are running XP you can buy the upgrade version of Windows 7 and clean install- just have your XP product key handy when the time comes.

Will it matter if I am using an MSDN version of XP pro?
The requirements for the upgrade price say a genuine version of XP or Vista, so going off that I assume the MSDN one is genuine, and therefore will qualify. I'm trying to find a resource with this same scenario in writing that I can link to to make sure I am correct so sit tight.

Sorry to but in on someone else's thread but I need help on this subject to.
I want to buy an upgrade version also. I am currently running vista. If I buy the upgrade version, will I be able to set it up as a dual boot with vista or is that not possible? Will it want to wipe off vista?
that it must replace an existing version. Thus, you'd need to retire your Vista installation at the same time. However, don't toss your Vista disk. In the event that you need to do a complete re-installation of Win 7, you'll need the Vista disk to qualify use of the Win-7 upgrade disk again. To answer your question, while there might be a way to hack together a dual boot in the way you desire, you're not going to be able to expose both installations to the MS update site or you may find yourself without a usable operating system. The upgrade license replaces your Vista license once Win-7 is installed.
I don't think the upgrade version will work for me then.
I have a system which was pre-installed with vista. I wanted to use the dual boot so that I wouldn't loose the programs that came as part of the package, microsoft works to name just one. I could get the free versions I know but I prefer to use these as they work well and I'm comfortable using them.
Thanks for your reply.
Sounds like you have the answer to your question- if you want to Dual Boot you will need to purchase a full version of Windows 7. If you have any questions on how to do this let me know or consult this quick tutorial: http://windows.microsoft.com/en-us/windows7/Installing-and-reinstalling-Windows

What I understand is to install a dual boot on a single hard drive, I need the full version of Win 7 Prof not just the "upgrade" version.
After I install the dual boot, and boot into W7 Prof, will all the programs installed in the Vista partition of the disk be available to run under W7 Prof?
Dual boot has not gained such a feature. The story is very much the same as it was years ago.
Why not clone that drive. Then upgrade the Vista and see how that turns out? I'm not keeping Vista when I get to my machine. No looking back at "Windows ME take 2".
Bob
Thanks for reply. I have Vista Home Prem and bought W7 Prof. Upgrade.
Then I found out that one cannot "upgrade" from Vista HP to W7 Prof. I will not do clean install over Vista HP and have to reinstall several years of software and their upgrades.
My only other option is to dual boot, hence the question. Apparently to dual boot, I even have to buy the "full" version of W7 Prof. Then I will have to remember what programs are installed under VHP and what under W7 Prof.
I was hoping to be able to run said "Vista" software under W7. Maybe the best route is to not install W7.
All the upgrades I did went fine. The dual boot using an UPGRADE is unlikely.
Why not clone the drive, slip in the clone and try it?
I see you did write you were going to get the FULL version so that still leaves you in the situation where if it fails in any way you may come away upset and bruised. This is why you see me offering the CLONE the drive solution. It's cheap insurance.
-> In your last sentence you are getting closer to the answer. Don't do it. But in my case I want the speed ups.
Bob
If you're still following this thread, 2 thoughts:
1. Dual booting like you are thinking would be a pain. You will most likely use one or the other as your primary OS, and you wouldn't be able to copy/paste between them, etc. It just gets clunky.
2. You should be able to upgrade your Vista and keep all the pre-existing programs, as long as they are compatible with Win7. While a clean install may be preferable, upgrading (from Vista to Win7)should allow you to keep those programs installed.
Do you have a "spare" XP license lying around? You could use that to upgrade to 7, then dual-boot it with your existing Vista. I don't know how easy it would be to accompish, but it would certainly avoid the licensing issue.
... happened to me last night.
I bought the W7 upgrade, backed up my data and proceeded with the upgrade install over Vista. I wiped the drive and did a clean install, but while it was setting up I had a power outage.
Not wanting to take any chances I booted off the CD and wiped the drive again and reinstalled... when I went to enter the key it told me it was valid for upgrading only.
Ended up having to reinstall Vista then run the W7 upgrade again. Worked flawlessly and I learned a lesson.
As far as dual boot.. no way. LOL I am glad to be rid of the sluggish Vista OS once and for all.
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