Upgrade installed Win 7 64 bit to UEFI?


  1. Posts : 4
    windows 7 64 bit Home Premium
       #1

    Upgrade installed Win 7 64 bit to UEFI?


    Is it possible to "upgrade" Win 7 64 bit to using UEIF? I have a Asus mob that can run UEFI installations of Windows. I have recently purchase a new Win 7 64 bit CD. I would like NOT to do a new clean install just switch to UEFI. Thanks for any input.
      My Computer


  2. Posts : 72,049
    64-bit Windows 11 Pro for Workstations
       #2

    Hello JM, and welcome to Seven Forums.

    Unfortunately, you would only be able to do a clean install to use UEFI since during the UEFI installation it would convert the disk to GPT instead of MBR.

    UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with
      My Computer

  3.    #3

    In addition you can reinstall in UEFI mode using the existing Win7 license. It isn't necessary to buy a new copy, which you can use elsewhere.

    If you need an installer for your licensed version its provided in Clean Reinstall - Factory OEM Windows 7 which steps will also help you get a perfect install even for retail.
      My Computer


  4. Posts : 11,408
    ME/XP/Vista/Win7
       #4

    If you have Windows 7 installed, & two HDD's, you can clone Legacy to UEFI.
    Migrate BIOS x64 install to UEFI.
      My Computer


 

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