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Downgrade Windows 8 to Windows 7

  1. #1
    Downgrade Windows 8 Preinstalled to Windows 7

    Downgrade Windows 8 Preinstalled to Windows 7
    How to Downgrade Windows 8 Preinstalled to Windows 7
    Published by theog is offline
    16 Nov 2012
    Default Downgrade Windows 8 Preinstalled to Windows 7

    Published by


    theog's Avatar
    Senior Member


    Join Date: Mar 2010
    Posts: 5,592

    How to Downgrade Windows 8 Preinstalled to Windows 7


    information   Information
    This tutorial will show you how to downgrade your Windows 8 Preinstalled with or without Secure Boot to Windows 7.

    Note   Note
    We always assume you have made your Factory Recovery Discs using the OEM manufacturer's Recovery Media Creator app the first day you had your new PC, and made a Startup Repair CD/DVD/USB.




    Did you make the OEM manufacturer's Recovery Disks?

    You can order OEM Recovery disks from your OEM manufacturer's website.

    You can use the Windows system image.

    System Image - Create in Windows 8

    Recovery Drive - Create with USB Flash Drive in Windows 8

    System Repair Disc - Create in Windows 8





    1) Open an elevated Power Shell in Windows 8.

    2) Type confirm-SecureBootUEFI


    Click image for larger version
    Click image for larger version


    If TRUE, your uEFI BIOS is set to Secure Boot, go to step 3 below.

    If FALSE, your uEFI BIOS is not set to Secure Boot, NO need to reset uEFI BIOS. Go to step 4.



    3) Reset BIOS to default, and reboot to BIOS make sure Secure Boot is disabled.
    NOTE: Check your manufacturer's uEFI/BIOS firmware manual for settings.



    Note   Note
    You may also need to

    Make sure CSM is ENABLED, & set to UEFI boot.

    enable Boot Menu.

    enable BIOS password.

    Technical Note: UEFI BIOS vs. Legacy BIOS - YouTube

    On some OEM manufacturer's the CSM setting are

    UEFI = Windows 8 only
    Legacy = All OS.
    UEFI & Legacy = All OS.

    Click image for larger version

    To install in Legacy Mode:
    SSD / HDD : Optimize for Windows Reinstallation - Windows 7 Help Forums
    Clean Install Windows 7 - Windows 7 Help Forums




    Note   Note
    How to reset your UEFI Bios Firmware from Windows 8


    Toshiba How-To: Resetting your UEFI Bios Firmware on Windows 8 - YouTube

    Click image for larger version
    Click image for larger version

    NOTE: Example above, uEFI-BIOS is from a Fujitsu P400.

    New AMI Fujitsu uEFI-BIOS, plus other OEM manufacturer's.

    Click image for larger version


    AMI | American Megatrends Inc. : Aptio® V Launch Hardware Showcase

    American Megatrends Presents Showcase of Windows® 8-ready Hardware with Aptio® V UEFI BIOS Firmware at “Touch the Future with Aptio V” Launch Event

    On Friday, October 5th, 2012



    4) Boot from your UEFI 64-bit Windows 7 DVD or USB using the one time boot menu.

    Note   Note
    If you do not have a UEFI 64-bit Windows 7 DVD or USB, then you can create a UEFI USB using the tutorial below.

    UEFI Bootable USB Flash Drive - Create in Windows


    Click image for larger version


    5) press enter on the UEFI DVD drive

    Click image for larger version


    6) Follow this tutorial:




    A) Delete all partitions. (in Drive Options)

    Click image for larger version



    B) Remake partitions. (in Drive Options)


    How to Clean the HD Drive, using Step one in this tutorial:
    SSD / HDD : Optimize for Windows Reinstallation - Windows 7 Forums


    Click image for larger version


    & than Reboot PC to install.

    Click image for larger version

    Click image for larger version



    All Done.

    warning   Warning
    DO NOT ENABLE SECURE BOOT AFTER INSTALLING WINDOWS 7, WINDOWS 7 WILL NOT BOOT.


    Note   Note

    When dual booting with Windows 8 Preinstalled & Windows 7

    Follow Step one to five in this tutorial:
    Downgrade Windows 8 to Windows 7

    warning   Warning
    If you shrink a partition before deleting the OEM Recovery partition, the partition & the new partition may be converted to Dynamic partitions.

    Than follow this tutorial: (installing in uEFI mode.)
    Dual Boot Installation - Windows 8 and Windows 7 or Vista




  2. #1


    Posts : 19,631
    64-bit Windows 10


    Great tutorial Ray.

      My System SpecsSystem Spec

  3. #2


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Thank you, Shawn.
      My System SpecsSystem Spec

  4. #3


    Posts : 154
    Win7


    Superb tutorial, Ray. We'll use it a lot over at 7F to UPgrade Win8 to Win7.
      My System SpecsSystem Spec


  5. #4


    Posts : 5,332
    7/8/ubuntu/Linux Deepin


    Nice tut Ray.

    The problem with all this - is that it is a bit challenging for the average Joe.

    Many people don't even know disk management exists, or powershell ( my dad for example - he has been using a pc several hours a day for over 20 years ). They would be apprehensive about doing anything in Bios setup.

    These are the kind of things that act as barriers.

    People will just put up with what they been have given - too difficult and (they think ), too risky to do anything about it.
      My System SpecsSystem Spec

  6. #5


    Orbiting the Moon
    Posts : 3,000
    Windows 8.1 - 64bit, Others in VMs


    Great tutorial Ray!

    Found the link thanks to gregrocker's post in another thread here.

    I now know where to look in case of trouble. I printed this just in case.

    I got my first UEFI machine, it's been about 3 weeks now, you know. HP envy, there's Insyde UEFI BIOS, F9 for boot menu...
    All good.
      My System SpecsSystem Spec

  7. #6


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Quote Originally Posted by gregrocker View Post
    Superb tutorial, Ray. We'll use it a lot over at 7F to UPgrade Win8 to Win7.
    Thank you,Greg.
      My System SpecsSystem Spec

  8. #7


    Germany/Florida
    Posts : 4,395
    Vista and Win7


    I bet this tut will become very popular. Great job Ray.
      My System SpecsSystem Spec

  9. #8


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Quote Originally Posted by SIW2 View Post
    Nice tut Ray.

    The problem with all this - is that it is a bit challenging for the average Joe.

    Many people don't even know disk management exists, or powershell ( my dad for example - he has been using a pc several hours a day for over 20 years ). They would be apprehensive about doing anything in Bios setup.

    These are the kind of things that act as barriers.

    People will just put up with what they been have given - too difficult and (they think ), too risky to do anything about it.
    Yes, some problem barriers.
    Thak you, si
      My System SpecsSystem Spec

  10. #9


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Quote Originally Posted by Hopachi View Post
    Great tutorial Ray!

    Found the link thanks to gregrocker's post in another thread here.

    I now know where to look in case of trouble. I printed this just in case.

    I got my first UEFI machine, it's been about 3 weeks now, you know. HP envy, there's Insyde UEFI BIOS, F9 for boot menu...
    All good.
    Thank you, Hopachi.

    HP info:
    Windows 8 FAQ: Can I downgrade from Windows 8 to Windows 7? - HP Support Forum
      My System SpecsSystem Spec

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