Windows 8 and 8.1 Forums

IE11 64-Bit

  1. #1

    IE11 64-Bit


    Does anyone have 64-bit version of IE11 on their 8.1?

    In the Help > About Internet Explorer it should say (64 Bit) if you have 64 bit.

      My System SpecsSystem Spec

  2. #2


    Posts : 22,564
    64-bit Windows 10


    Hey Justin,

    Not anymore, but the tutorial below can help show you how to enable 64-bit IE11 tab processes.

    Internet Explorer 11 - Enable 64-bit Tab Processes for EPM
      My System SpecsSystem Spec

  3. #3


    Hi Brink, thanks for the reply. I did look at the tut but not sure what tab processes mean (?)

    How can you tell what's running with 32-bit and what's running with 64-bit?
      My System SpecsSystem Spec

  4. #4


    Posts : 22,564
    64-bit Windows 10


    In 64-bit Windows 8.1, the IE11 browser frame process (both “modern UI” and Desktop) runs 64-bit. However, for compatibility with plug-ins, IE11 on the desktop runs 32-bit tab processes by default.

    Basically, if you have 64-bit Windows, IE11 will run 64-bit, but opened tabs in desktop IE11 will run 32-bit by default.

    If you enable EPM in IE11, then both IE11 and opened tabs will run 64-bit in desktop IE11.
      My System SpecsSystem Spec

  5. #5


    So it's like a hybrid system switching, able to detect what needs to be opened as (32 or 64) when required?

    That's kinda confusing.
      My System SpecsSystem Spec

  6. #6


    Posts : 22,564
    64-bit Windows 10


    Sort of. The tabs will always use 32-bit unless EPM is turned on, then they'll always use 64-bit.
      My System SpecsSystem Spec

IE11 64-Bit
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