Windows 8 and 8.1 Forums

Need information of how to install OS from external hard drive

  1. #11

    Hafnarfjörður IS
    Posts : 4,374
    Linux Centos 7, W8.1, W7, W2K3 Server W10

    Quote Originally Posted by LM2007 View Post
    I was not specific, sorry. I wanted to install it from an external hard drive if there is a benefit in terms of speed when Windows is installing into a new computer because if i'm correct, an external hard drive is faster than a usb flash? should i stick with the thumb drive or the portable hard drive?
    Actually this is really a moot point because Windows copies the files from the USB / HDD to the local HDD first and then does the de-compression and installation from the local HDD.

    I wouldn't worry about the performance issues between external HDD and a USB drive -- and USB sticks these days are CHEEEEEEEAP.

    You'll need a 8GB USB drive to be 100% sure of getting all the Windows files on to it together with the boot manager.


      My System SpecsSystem Spec

  2. #12

    Posts : 14
    win 7 64 pro+win 8 64 , xp 32 pro

    extract win 8 iso on to usb drive then boot from on startup (F12)
    Quote Originally Posted by LM2007 View Post
    I used the search to check if this was posted before, but couldn't find it. How can i install Windows 8 from a portable hard drive (USB)? i know how to do it from USB flash drives, but the Windows 7 USB DVD Download Tool only recognize optical drives and USB sticks.
      My System SpecsSystem Spec

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Need information of how to install OS from external hard drive

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