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Windows 7: Clean Install of Win 7 64 from Upgrade Disc

20 Jul 2009   #1
regkaz

vista home premium 32
 
 
Clean Install of Win 7 64 from Upgrade Disc

I just ordered a Win 7 upgrade disc. Here's my question. I have Vista Home Premium 32 bit installed on my Dell. No restore disc, (at least I don't remember seeing one), but it has that restore partition. I'd like to add a new hard drive to my system and do a clean install using the Win 7 Upgrade disc but I'd like to make it the 64 bit version.

Can this be done? I can leave both hard drives in the system. Will a Win 7 Upgrade disc install a 64 bit version if it can find a valid 32 bit Vista installed on a second hard drive?

If this works and I later delete all traces of Vista off the old drive (as in the re-install partition) will the Win 7 Upgrade disc be useless for a fresh install?

Thanks,
regkaz


My System SpecsSystem Spec
.

20 Jul 2009   #2
hei

Windows 7
 
 

Unfortunately you cannot perform a Clean Install with an Upgrade cd with 7 the way you could with Vista and XP.

However, I believe if you load the Windows 7 cd from inside Vista and choose Custom install, that should give you a fresh install of Windows 7 on whichever hard drive you choose. Once it is up and running, you can format your Vista drive and you should have a completely clean Windows 7 install.

I am not sure about running the 64-bit setup from a 32-bit OS though...that could be a problem.
My System SpecsSystem Spec
20 Jul 2009   #3
DWillens

Win7
 
 

I would like to know the answer to this question also, from XP to 7. I know that you have to do a "custom install" i.e. "clean install" from inside XP so that it can verify the prior OS is installed, but once I wipe that partition to install 7 (obviously without activating it, since we don't have the keys yet), will it just be a matter of running the non-activated 7 OS until we receive the upgrade key we purchased?

Probably the best answer is just to wait. But I am just curious once the RTM comes out, how this might work.

Damon

ps not asking for any hacks, cracks or other illegal methods of installation
My System SpecsSystem Spec
.


20 Jul 2009   #4
zigzag3143

Win 8 Release candidate 8400
 
 
clean install

Quote   Quote: Originally Posted by regkaz View Post
I just ordered a Win 7 upgrade disc. Here's my question. I have Vista Home Premium 32 bit installed on my Dell. No restore disc, (at least I don't remember seeing one), but it has that restore partition. I'd like to add a new hard drive to my system and do a clean install using the Win 7 Upgrade disc but I'd like to make it the 64 bit version.

Can this be done? I can leave both hard drives in the system. Will a Win 7 Upgrade disc install a 64 bit version if it can find a valid 32 bit Vista installed on a second hard drive?

If this works and I later delete all traces of Vista off the old drive (as in the re-install partition) will the Win 7 Upgrade disc be useless for a fresh install?

Thanks,
regkaz
Ok first we need your computer specs.

thanks

ken
My System SpecsSystem Spec
20 Jul 2009   #5
regkaz

vista home premium 32
 
 

It's a Dell with a quad core Intel. I'm at work so I don't know the exact chip. Has to be 64 bit if it's quad, right? I've got 3 gig of DDR2. Video is Nvidia 8800. 650 gig SATA HD, 2 SATA DVDs.
My System SpecsSystem Spec
20 Jul 2009   #6
ken9122

Win7 x64 Ultimate SP1
 
 

Use Easy Transfer for your user settings and backup everything. Then boot from the Win7 CD, Win 7 will see your copy of Vista, then go to custom install, and select advanced, format the C drive, then follow the instructions to install Win7 64. You will have a clean install. then you can then reinstall all your programs. .
have fun.
Kenn
My System SpecsSystem Spec
20 Jul 2009   #7
regkaz

vista home premium 32
 
 

Very cool. That's what I was hoping. Thanks.
My System SpecsSystem Spec
21 Jul 2009   #8
DWillens

Win7
 
 

Quote   Quote: Originally Posted by ken9122 View Post
Use Easy Transfer for your user settings and backup everything. Then boot from the Win7 CD, Win 7 will see your copy of Vista, then go to custom install, and select advanced, format the C drive, then follow the instructions to install Win7 64. You will have a clean install. then you can then reinstall all your programs. .
have fun.
Kenn
I thought that the consensus (if there was one) was that in order to do a custom (clean) install with the upgrade disc, you have to run the installer from **inside** the previously installed OS, because that is how W7 verifies that you have a licensed OS already on the machine.

Are you saying that you can boot directly into W7 install disc and it will verify the previous OS license? I would hate to over-write my old OS with W7, and then on Oct 22 try to enter my license key and find out that it doesn't work because I used the incorrect "upgrade" procedure.

I have Fujitsu S6510 laptop 4GB ram 32 bit XP (purchased pre-order upgrade Home Premium and would like to install 64 bit).

Damon
My System SpecsSystem Spec
21 Jul 2009   #9
ken9122

Win7 x64 Ultimate SP1
 
 

Quote   Quote: Originally Posted by DWillens View Post
I thought that the consensus (if there was one) was that in order to do a custom (clean) install with the upgrade disc, you have to run the installer from **inside** the previously installed OS, because that is how W7 verifies that you have a licensed OS already on the machine.

Are you saying that you can boot directly into W7 install disc and it will verify the previous OS license? I would hate to over-write my old OS with W7, and then on Oct 22 try to enter my license key and find out that it doesn't work because I used the incorrect "upgrade" procedure.

I have Fujitsu S6510 laptop 4GB ram 32 bit XP (purchased pre-order upgrade Home Premium and would like to install 64 bit).

Damon
I was assuming he was doing the install with a retail verison he had ordered not a beta.

Kenn
My System SpecsSystem Spec
21 Jul 2009   #10
pparks1

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by DWillens View Post
I thought that the consensus (if there was one) was that in order to do a custom (clean) install with the upgrade disc, you have to run the installer from **inside** the previously installed OS, because that is how W7 verifies that you have a licensed OS already on the machine.
That is my understanding since it's an upgrade disc.
My System SpecsSystem Spec
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 Clean Install of Win 7 64 from Upgrade Disc




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