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  1. NavyLCDR's Avatar
    Posts : 15,595
    Windows 10 Pro
       #360

    ahelton said:
    I hope this isn't off topic for this thread, but do you also happen to know why on this tutorial the author chooses to use FAT32 for GPT partition scheme and NTFS for MBR?
    A legacy bios system that boots from an MBR disk will boot from both FAT32 and NTFS. Most (if not all) UEFI systems that boot from a GPT disk require the EFI System partition containing the boot files to be FAT32. In the Windows installation structure the whole thing is considered the EFI System partition, so the whole thing needs to be FAT32. The mode you boot the USB flash drive in determines the mode that Windows will install in. Boot the flash drive with the UEFI firmware in UEFI mode and Windows will format the hard drive as GPT, create a FAT32 EFI System partition and set it up for UEFI booting. If the computer is in legacy bios mode - also called CSM in some UEFI firmware (or only has a legacy bios), then Windows setup will format the hard drive as MBR and create a System Reserved partition to hold the boot files and set it up for legacy booting.
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  2. ahelton's Avatar
    Posts : 101
    Windows 10 Pro 64-bit, Build 17763
       #361

    NavyLCDR said:
    A legacy bios system that boots from an MBR disk will boot from both FAT32 and NTFS. Most (if not all) UEFI systems that boot from a GPT disk require the EFI System partition containing the boot files to be FAT32. In the Windows installation structure the whole thing is considered the EFI System partition, so the whole thing needs to be FAT32. The mode you boot the USB flash drive in determines the mode that Windows will install in. Boot the flash drive with the UEFI firmware in UEFI mode and Windows will format the hard drive as GPT, create a FAT32 EFI System partition and set it up for UEFI booting. If the computer is in legacy bios mode - also called CSM in some UEFI firmware (or only has a legacy bios), then Windows setup will format the hard drive as MBR and create a System Reserved partition to hold the boot files and set it up for legacy booting.
    Wow. I definitely learned something new today. Thanks for all your help!

    I thought of another question pertaining to this. How do you determine if a computer is UEFI or Legacy BIOS mode? I've got some Dell Optiplex 3240 AIOs at work that came preinstalled with W7 Pro x64, and I am wanting to get them up and running with W10 Pro x64. I am about to set up my bootable USB using Rufus and want to make sure I set the partition scheme correctly.

    And lastly, is it now safe to just do a clean install without upgrading first? I read from a couple of places online that as of November 2015 Microsoft has made this possible.
    Last edited by ahelton; 01 Jul 2016 at 10:31.
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  3. ICIT2LOL's Avatar
    Posts : 6,584
    1010 Pro on all on various machines version 2004
       #362

    Hello Shawn mate I am having a job convincing soemone that if they use their 7 key to activate 10 should they decide to stay with 10 on thier machine that the 7 key is replaced by a 10 key on Microsofts servers and the 7 cannot be reinstalled on thier machine using the original 7 key.

    Am I right and is there a quote from an official Microsoft licence agreement that I can show them that what I am assuming here because I could be wrong.
    John
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  4. Brink's Avatar
    Posts : 57,092
    64-bit Windows 10 Pro for Workstations build 21382
    Thread Starter
       #363

    ICIT2LOL said:
    Hello Shawn mate I am having a job convincing soemone that if they use their 7 key to activate 10 should they decide to stay with 10 on thier machine that the 7 key is replaced by a 10 key on Microsofts servers and the 7 cannot be reinstalled on thier machine using the original 7 key.

    Am I right and is there a quote from an official Microsoft licence agreement that I can show them that what I am assuming here because I could be wrong.
    John
    Hello John, :)

    Technically, when you activate the free upgrade to Windows 10 with a W7 key, the W10 will have a digital license (formally called "digital entitlement") on Microsoft activation servers for that PC only.

    They can still reinstall and activate Windows 7 on their PC anytime they like, but they must uninstall the W10 they activated with the W7 key first as per the EULA.

    MICROSOFT SOFTWARE LICENSE TERMS - WINDOWS OPERATING SYSTEM

    Activate Windows 10 - Windows 10 Forums
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  5. NavyLCDR's Avatar
    Posts : 15,595
    Windows 10 Pro
       #364

    ICIT2LOL said:
    Hello Shawn mate I am having a job convincing soemone that if they use their 7 key to activate 10 should they decide to stay with 10 on thier machine that the 7 key is replaced by a 10 key on Microsofts servers and the 7 cannot be reinstalled on thier machine using the original 7 key.

    Am I right and is there a quote from an official Microsoft licence agreement that I can show them that what I am assuming here because I could be wrong.
    John
    Well, here's a quote from a Microsoft website that should clear it up:
    https://support.microsoft.com/en-us/...covery-options

    Last link on webpage above:

    Go back to your previous version of Windows
    If go back isn't available
    If you have a product key for your previous version of Windows, use the media creation tool to create installation media for Windows 8.1 or Windows 7, and use it to do a clean install.
    Directly from Microsoft.
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  6. ICIT2LOL's Avatar
    Posts : 6,584
    1010 Pro on all on various machines version 2004
       #365

    Sorry late reply must have missed the email note. Ok so I have it right if soemone doesn't like the install and has used their 7 key all they need to do is uninstall 10 and install 7 back on using the original 7 key because I read that as the 7 key is replaced by the 10 one and was not recoverable.

    In that case then in theory one could reinstall 10 and use the 7 key again??

    I have gone ahead and bought a 10 OEM so that I have two distinctive keys in my machine (using two separate drives) and if what has been stated I need not have done that??

    While I am thinking of it the 10 install from the OEM that is done as per one would do the 7 install??
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  7. NavyLCDR's Avatar
    Posts : 15,595
    Windows 10 Pro
       #366

    On a normal upgrade from Windows 7 to Windows 10... The Windows 7 will continue to get activated from it's product key - both before and after it is/has been upgraded to Windows 10. The Windows 10 will get activated from the digital entitlement stored on Microsoft activation servers the first time that it was upgraded from Windows 7. Once the upgrade is done once, the same version of Windows 10 can be re-installed on the same computer and the user selects "I don't have a product key", "skip" or "do this later" when asked for a product key and Windows 10 will activate itself by retrieving the digital entitlement for Windows 10 from Microsoft activation servers based upon the Hardware ID of that computer and the Product ID of the version of Windows 10 installed.

    Now - on another note - if you have installed the Windows 10 OEM that you purchased on that computer and activated it with the OEM product key, you must now sell that computer to remain legal because it violates Microsoft OEM licensing to install OEM Windows 10 on a computer that you intend to keep and use for personal use. It is only legal to install it on a computer intended to be sold to a "customer". You have basically converted your legally activated and licensed upgrade to Windows 10 into an illegal installation of a new Windows 10 OEM license and product key on a computer you intend to use for personal use.
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  8. Posts : 11
    windows 8.1
       #367

    Hi!

    I would like to have assistance with this.

    I cannot get past the step of booting on the USB key.

    That is I CAN boot on the USB key but only in USB mode.

    If I understand correctly if I wish to install my win10 in UEFI mode I must first install it from a usb key that was booted in that same mode.

    But I cannot.

    I'm writing here out of desperation as I am a senior I.T. technician and I don't understand how this can be causing me issue.

    I've made sure fast boot and secure boot are off; i've made the (8GB) usb key with rufus following this guide How to Create a Windows 10 Bootable UEFI USB Drive

    I've been very explicit about every step I even tried rebooting to the key from window's interface but it just dropped me back onto a normal boot.

    I have an Asrock Extreme6/GB motherboard.

    trying to boot to the usb key in UEFI mode when in the boot menu of the MB simply immediately reverts to the boot menu and trying to set the UEFI usb key as first boot priority gives the "no boot media was found..." error message.
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  9. NavyLCDR's Avatar
    Posts : 15,595
    Windows 10 Pro
       #368

    Did you make sure and change the partition format to FAT32?

    Rufus causes a lot of problems and is completely not necessary. Format the USB flash drive as FAT32. Mark the partition on the flash drive as active. Mount the Windows 10 ISO file. Copy all the files/folders over. You get a USB flash drive bootable in both legacy and UEFI mode.
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  10. Posts : 11
    windows 8.1
       #369

    NavyLCDR said:
    Did you make sure and change the partition format to FAT32?

    Rufus causes a lot of problems and is completely not necessary. Format the USB flash drive as FAT32. Mark the partition on the flash drive as active. Mount the Windows 10 ISO file. Copy all the files/folders over. You get a USB flash drive bootable in both legacy and UEFI mode.
    Hi!

    Thank you very much for lending a hand.

    I followed this guide How to create a bootable USB drive for Windows 10 - MSPoweruser the second part via CMD and yet the results remain the same.

    Do you have any other ideas.

    Could the USB stick be detecting all available drives as non-UEFI and therefore refusing to boot in UEFI mode?
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