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Is it possible to install Windows 7 64 bit on VirtualBox running on Windows 7 32 bit?

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up vote 9 down vote accepted

VirtualBox versions 2.1+ support 64 bit guests inside 32 bit hosts, assuming the following is true:

  1. You need a 64-bit processor with hardware virtualization support (see chapter 1.2, Software vs. hardware virtualization (VT-x and AMD-V), page 11).
  2. You must enable hardware virtualization for the particular VM for which you want 64-bit support; software virtualization is not supported for 64-bit VMs.
  3. If you want to use 64-bit guest support on a 32-bit host operating system, you must also select a 64-bit operating system for the particular VM. Since supporting 64 bits on 32-bit hosts incurs additional overhead, VirtualBox only enables this support upon explicit request.


Hosting a Windows guest inside a Windows host shouldn't be a problem, so as long as you pass the three points, it should work.

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aww that is why it didnt run. Its 64 bit but no VT – soul May 24 '10 at 7:23

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