Q: Can't Upgrade Win7.1 to Win10

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Nello Lucchesi

Level 1 (144 points)

Desktops

Q: Can't Upgrade Win7.1 to Win10

I've installed Win 7 Home Premium on a MacBook Air (13-inch Mid 2012 ... full specifications below) and updated it to Service Pack (SP) 1.

Bootcamp created a 48GB partition for Windows and Windows Explorer reports that that there is about 20.9GB of free space on the the boot drive.

The Windows 10 update specifications say that 20BG of free space is needed (for the 64-bit version). When I run the Win10 Update Installer, it says that my Mac meets the requirements ... but when I click download, I get error 0x80070070 which means that there isn't enough free space for the installation.

What is wrong? Why does the installer say that I don't have enough free space? More precisely, how do I get the Win10 upgrade installed; how much free space should Windows Explorer say I have in order for the Installer to run?

Bootcamp won't let me make the Windows partition much larger given the files I currently have on my SSD. Before I do all kinds of reconfiguration to make more space, let me ask: Has anyone gotten Win7 to upgrade to Win10 on Bootcamp?

Thanks for your help.

- nello

MacBook Air (13-inch Mid 2012), OS X El Capitan (10.11.4), 8GB RAM and 128 SSD

Posted on Jun 12, 2016 7:32 PM

I have this question too

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Nello Lucchesi

Level 1 (144 points)

Desktops

A:

I followed the instructions on this page:

http://answers.microsoft.com/en-us/insider/wiki/insider_wintp-insider_install/ho w-to-upgrade-from-previous-versions-of-windows/31722b30-1da9-42bb-b331-0edc4649b f43

I created a Win10 install on a USB3 Flash Drive. It took a few hours to download the ISO and then run the Win10 setup, but it worked perfectly!

- nello

Posted on Jun 14, 2016 10:47 AM

Q: Can't Upgrade Win7.1 to Win10

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by Eric~F,

Eric~F Jun 13, 2016 2:20 PM in response to Nello Lucchesi
Community Specialists

Jun 13, 2016 2:20 PM in response to Nello Lucchesi

Hey Nello Lucchesi,

Thanks for checking out the Apple Communities. It looks like you are trying to upgrade from Windows 7 to Windows 10 using Bootcamp. To answer your question, yes, many people have upgraded from Windows 7 to Windows 10 using Bootcamp. You may find other threads posted here about this, or other questions relating to upgrading. You are correct that the error 0x80070070 is specific to needing more space.

Documentation for Bootcamp specifies "at least 10 GB". You state the Windows 10 documentation calls for 20 GB. It still seems that your 20.9 GB is still not enough space, and the only recommendation I can offer is to follow the Microsoft article to give your drive a bit more space.

Check out these links:
Upgrading from 64-bit versions of Windows
Windows Update error 0x80070070 which leads you to this third link:
Tips to free up drive space on your PC.

Hope these help you finish updating your Windows version.

Cheers.
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by Nello Lucchesi,

Nello Lucchesi Jun 13, 2016 6:17 PM in response to Eric~F
Level 1 (144 points)

Desktops

Jun 13, 2016 6:17 PM in response to Eric~F

Eric:

Thank you for taking the time to reply to my post.

I started over with a new Boot Camp installation, this time creating a 49GB partition (as opposed to 48GB in the past), which is the largest partition that Boot Camp will create for me. Windows 7 installed and activated just fine, and I updated to Service Pack 1.

Windows Explorer says that there are over 21GB of free space on my Boot Camp partition; the Windows 10 update program says that I pass all the requirements, including available disk space; but when I click download, I get error 0x80070070 which means that there isn't enough free space for the installation.

I am at my wit's end.

- nello
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by Nello Lucchesi,

Nello Lucchesi Jun 13, 2016 7:12 PM in response to Nello Lucchesi
Level 1 (144 points)

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Jun 13, 2016 7:12 PM in response to Nello Lucchesi

I posted this question to the Microsoft support community.

http://answers.microsoft.com/en-us/windows/forum/windows_10-win_upgrade/cant-upg rade-win71-to-win10-with-boot-camp-on/c1…
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by Eric~F,

Eric~F Jun 14, 2016 8:29 AM in response to Nello Lucchesi
Community Specialists

Jun 14, 2016 8:29 AM in response to Nello Lucchesi

Nello Lucchesi,

Thanks for letting me know about the updated details. I can only think of two more things to try.
1. That this is an issue with the hard drive or BootCamp. We would want to get a backup for both the Mac and Windows partitions, fully erase the hard drive, set the Mac up brand new without your personal data on it, and then run BootCamp.

OR

2. Since this alert is specific to the Microsoft installation, call Microsoft for Mac Support @ 1-866-474-4882 and clarify what they recommend. We followed the basic article from their website, and there may be advanced troubleshooting they can also offer. They also have the ability to verify the version of Windows 10 you are attempting to install is not corrupt or damaged.

For option number 1:
Mac Basics: Time Machine backs up your Mac (To make a backup of the Mac side, use Time Machine.)
Erase your drive and install OS X
How to install Windows using Boot Camp

If everything works this time, we then will need to get your data from Time Machine, back onto the Mac side. You will want to migrate the data using this article, rather than do a full system restore, as it may bring the issue right back in.

Move your content to a new Mac

Thanks again!
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Accepted Answer · Jun 14, 2016 10:47 AM

Nello Lucchesi

Level 1 (144 points)

Desktops

Jun 14, 2016 10:47 AM in response to Eric~F

I followed the instructions on this page:

http://answers.microsoft.com/en-us/insider/wiki/insider_wintp-insider_install/ho w-to-upgrade-from-previous-versions-of-windows/31722b30-1da9-42bb-b331-0edc4649b f43

I created a Win10 install on a USB3 Flash Drive. It took a few hours to download the ISO and then run the Win10 setup, but it worked perfectly!

- nello

Q: Can't Upgrade Win7.1 to Win10

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by Eric~F,

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