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Possible Duplicate:
Can I Install Windows 7 64 bit on VirtualBox running on Windows 7 32 bit OS ?

Hello,

I have a PC with a 64 bit processor, but I have Windows 32 bit as operative system. I want to create a virtual machine to install Windows 7 64 bits. I've created a viirtual machine with virtual PC but I can't configure as 64 bit machine on a 32 bit machine. I have VMWare as wll installed, but I don't know where exactly I can change from 32bit to 64 bit the virtual machine.

Is it possible to run a 64 bit machine on a windows 32 bit machine running on a 64 bit machine? Should I use other software for the virtualization? If I can do with VMWare where can I set the machine as 64bit?

Thanks.

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2 Answers 2

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If you have installed a 32 bit OS on a 64 bit system, your processor might support running 64 bit guest OS'es. Also check out the official VMware CPU compatibility tool: http://downloads.vmware.com/d/details/processor_check_5_5_dt/dCpiQGhkYmRAZQ== to see if your CPU supports running 64 bit guests.

From the compatibility check guide: http://www.vmware.com/pdf/processor_check.pdf

VMware Workstation version 5.5 supports virtual machines with 64-bit guest operating systems, running on host machines with the following processors:
• AMD™ Athlon™ 64, revision D or later
• AMD Opteron™, revision E or later
• AMD Turion™ 64, revision E or later
• AMD Sempron™, 64-bit-capable revision D or later (experimental support)
• Intel™ EM64T VT-capable processors (experimental support)

It is, however, important to note that you can not install a 64 bit OS on a 32 bit system.

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    I think you mean you can't have a 64 bit client OS on a 32 bit system.
    – oKtosiTe
    Jan 20, 2011 at 22:54
  • @oKtosiTe Haha of course! Thanks for noticing my stupidity! ;)
    – Pylsa
    Jan 20, 2011 at 22:56
  • but where can I change the processor from 32bit to 64bit in VMWare? In the processor I can choose Automatic, 'Automatic with replay', 'Binary translation', 'Intel VT-X or AMD-V' and 'Intel VT-X/EPT or AMD-V/RVI'. How can I mark the processor as 64 bit or is any of these of this type?
    – Juanillo
    Jan 20, 2011 at 22:57
  • @BloodPhilia: Stupidity is too strong of a word. :-)
    – oKtosiTe
    Jan 20, 2011 at 22:59
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    Like BloodPhilia said... Use VMWare Player or Workstation for this, I've had this working fine. Jan 21, 2011 at 0:16
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https://stackoverflow.com/questions/56124/can-i-run-a-64-bit-vmware-image-on-a-32-bit-machine The first answer answers your bit about 64 on 32 on 64.

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