Windows 8 and 8.1 Forums


cant run windows 8.1 setup

  1. #1


    Posts : 7
    Windows 10 Pro 64bit

    cant run windows 8.1 setup


    i have had windows 10 installed on m,y pc since july 30ish....and ever since i upgraded to windows 10 from 8.1 the pc has been locking up every time i try to do anything...something as simple as opening my documents causes the pc to use 100% disk too the point i have to reset......i was hoping i could install windows 8.1 since i still have the key by using the upgrade assistant but when i tried to run it it said "this system is unsupported"
    and i have tried everything i could think of to fix the 100% disk issue nothing has worked
    any ideas would be greatly appreciated

      My System SpecsSystem Spec

  2. #2


    You should be able to rollback to 8.1, see here: How to Go Back to the Previous Windows from Windows 10
      My System SpecsSystem Spec

  3. #3


    Posts : 7
    Windows 10 Pro 64bit


    Quote Originally Posted by Ztruker View Post
    You should be able to rollback to 8.1, see here: How to Go Back to the Previous Windows from Windows 10
    i cant roll back that at way or i woulda awhile ago i deleted the windows.old folder a lil bit after i upgraded to windows 10....long b4 i new about my 100% disk usage thing
      My System SpecsSystem Spec

  4. #4


    Posts : 2,690
    Windows 3.1 > Windows 10


    download and create windows 10 setup media > Windows 10
    clean install windows 10 - when asked for key - just Skip over the key screen

    or just download and create windows 8.1 setup media > Create installation media for Windows 8.1 - Windows Help

    To do a clean installation - you have the boot your PC from the setup media.. Once you get to the partitions screen - you can delete every partition on the disk and allow windows to install to the unallocated disk space

    if you have multi hard drives - unplug the other, non windows drive(s)
    keeps you from installing to wrong drive
      My System SpecsSystem Spec

  5. #5


    Posts : 7
    Windows 10 Pro 64bit


    Quote Originally Posted by KYHI View Post
    download and create windows 10 setup media > Windows 10
    clean install windows 10 - when asked for key - just Skip over the key screen

    or just download and create windows 8.1 setup media > Create installation media for Windows 8.1 - Windows Help

    To do a clean installation - you have the boot your PC from the setup media.. Once you get to the partitions screen - you can delete every partition on the disk and allow windows to install to the unallocated disk space

    if you have multi hard drives - unplug the other, non windows drive(s)
    keeps you from installing to wrong drive
    i just had a tech come to my house from geekatoo to try and fix the pc he was unable to do a clean install of windows 8.1

    however i found out why my pc was not letting me run the setup originally there is a setting in my bios to enable or disable the support for windows 8/8.1 i dont no why but im buying a new ssd and am gonna just do a fresh install onto that ssd
      My System SpecsSystem Spec

cant run windows 8.1 setup
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