Windows 8 and 8.1 Forums


Can't run Windows 8.1 pro 64bit installation on 32bit

  1. #1


    Posts : 5
    Windows 8.1 32 bit

    Can't run Windows 8.1 pro 64bit installation on 32bit


    I had Windows 7 64 bit installed on my computer but I decided to upgrade to Windows 8.1 Pro so I bought a key online and downloaded&installed windows 8.1 pro not realizing it was 32 bit althought I need(ed) 64 bit. Now my plan was to download&install windows 8.1 64 bit, but since I'm running 32 bit I can't run the installation file, not even when I boot from USB (with my installation files on it). Do you have a conclusion? Please let me know, I really do appreciate it! Thanks
    Last edited by JeroenBeunckens; 01 Dec 2014 at 16:00. Reason: More information

      My System SpecsSystem Spec

  2. #2


    Canada
    Posts : 1,950
    windows 8.1 Update 1 Pro 64bit


    As you have not mentioned the make and model of the computer we cannot see the specs. Can you processor handle 64bit and did you run Windows Update advisor?
      My System SpecsSystem Spec

  3. #3


    Posts : 5
    Windows 8.1 32 bit


    Thats right I'm sorry, I edited it. My pc is capabel of 64 bit
      My System SpecsSystem Spec

  4. #4


    Southern California
    Posts : 788
    Windows 8.1 Pro with Media Center x64


    ^Hey mate, off what Nuccii said, the upgrade assistant can be found here: http://go.microsoft.com/fwlink/p?linkid=261871 . Follow this tutorial on creating a bootable USB or DVD to install with: Create Bootable USB or DVD with Windows 8 ISO
      My System SpecsSystem Spec

  5. #5


    Posts : 879
    Windows 10


    How to download Windows 8.1 core/Pro 32-bit/64-bit -> link

    The Windows Installation Media Creation Tool works on Windows 7/8/8.1.

    Click image for larger version
      My System SpecsSystem Spec

  6. #6


    Posts : 5
    Windows 8.1 32 bit


    Thanks for commenting! Maybe you misunderstood me but I already have the installtion files for windows 8.1 pro 64 bit, but I can't run the installation because I'm on 32 bit atm. I also can't boot from USB, I don't know for wich reason but when I boot from usb my PC just starts up normally.
      My System SpecsSystem Spec

  7. #7


    Canada
    Posts : 1,950
    windows 8.1 Update 1 Pro 64bit


    Is it really booting from the USB, check your boot order in the BIOS
      My System SpecsSystem Spec

  8. #8


    Posts : 5
    Windows 8.1 32 bit


    Quote Originally Posted by Nuccii View Post
    Is it really booting from the USB, check your boot order in the BIOS
    I put the USB device on the first place in my bios so it is supposed to work. But maybe there is something wrong with the files? Does the usb device have to be empty but only the installation files on it?
      My System SpecsSystem Spec

  9. #9


    Posts : 879
    Windows 10


    How to create a bootable USB flash drive. -> link

    3. How to create Legacy BIOS Boot Mode compatible Windows 7/8 32/64-bit USB flash drive, which is only bootable in Legacy BIOS Boot Mode.
    -or-

    4. How to create UEFI Boot Mode and Legacy BIOS Boot Mode compatible Windows 8 64-bit USB flash drive.
      My System SpecsSystem Spec

  10. #10


    Southern California
    Posts : 788
    Windows 8.1 Pro with Media Center x64


    Repeatedly press f8 (usually) to open the boot options when restarting. Did you get to that menu before now?
      My System SpecsSystem Spec

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