Solved Install Win 10 on different partition & dual boot with Win 7

September 27, 2015 at 09:05:38
Specs: Windows 7
I have Windows 7 installed and I want to install Windows 10 on a different partition using the free update. The problem is, there is no such option. The WinX installation wants to update the existing Win7 partition exclusively. Any ideas?

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September 27, 2015 at 09:45:04
Officially, the upgrade requires you to blow away the old OS to be valid. That's what makes it a free upgrade, and not a free OS.

That said, you could try installing the upgrade through the official upgrade icon to register your PC as having a valid copy of Win10, roll back to Win7, download and run the Media creation tool, and install from the created media. The installer should detect Win7, let you install Win10 to your desired partition, and configure for dual boot.

Be warned, I haven't attempted it, so your new copy of Win10 may not pass activation.

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September 27, 2015 at 09:46:56
✔ Best Answer
These links will explain how... I suggest you read through all three references and then locate/download the ISO - which burn to DVD. One of them at least contains the link to download the ISO for win-10

I haven't tested out the info in these links so can't advise from personal experience...

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September 27, 2015 at 16:33:45
Thanks Razor and trvlr! I appreciate the advice.

After going through all the info I've decided to install Win7 on a separate partition and upgrade that installation to WinX. I just don't feel like messing up the existing and perfectly working Win7 installation. Especially since according to Dell my system is not certified for WinX. Which I suspect means not everything will work fine.

Thanks again!

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Related Solutions

September 27, 2015 at 21:53:15
You could try this (though not tested):
If you create an image of your entire partition and save it to an external drive, you can then do the upgrade and after the upgrade you can then reimage the Windows 7 back to the empty partition. You should be able to use msconfig from within Windows 10 to 'see' Windows 7 at boot up and give you the option at boot up.
Alternately, you can purchase a separate drive and make it a clone of your current drive, switch to the new drive and install Windows 10 over that. Then install the original hard drive and use the BIOS (F8) to select which drive to boot to. Again not tried and I do not know how MS will react to both systems doing Windows updates.

You have to be a little bit crazy to keep you from going insane.

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September 28, 2015 at 17:22:21
Thanks Fingers!

This solution sounds too involved for my level. But I'll give it a try if the simpler option fails.

Thanks for taking the time!


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