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I don't think you can install Windows 32-bit in a 64-bit EFI partition . You CAN install Windows 32-bit in a VMware &nbsp;Virtual Machine
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Thank you both. &nbsp;I am using Windows XP Mode on the 64-bit system, but it lacks some features I require. &nbsp;When you say I would need to reload the 64-bit Windows system, I have a disk image of that system, with all the applications and configuration settings. &nbsp;Would I be able to restore that image, and avoid having to re-install everything?
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You are better off on my view to use a virtual machine. When you move on from Windows 7 (that day not far off) you can take the machine with you
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Probably, but it might be tricky. &nbsp;And again, your laptop must support switching to BIOS. &nbsp;What features are you missing that you require?
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I'm still seeing if Windows 7 32-bit can be installed. &nbsp;I converted the hard disc from GPT to MBR, and everything still works. &nbsp;In the meanwhile, I'd like to know what would happen if I restored a disc image which was made before the conversion to MBR. &nbsp;Would that preserve the MBR formatting, or revert it to GPT?
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As for the feature which Windows XP Mode doesn't support -- I need real time synchronization of data between a 16-bit application running in XP Mode and the same application running on another Windows 7 32-bit machine.
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It depends on what you created the image with.<br />
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So you need two operating systems to see the same files as identical? &nbsp;And you can't do this with a network connection? &nbsp;Have one connect to a shared drive on the other for data?
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16-bit can only talk to a 32-bit Machine and that would require SMBv1 to be running.<br />
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What about getting a stand-alone 32-bit Computer (used on eBay)
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Thank you, but I would appreciate it if we could avoid a tangential discussion about alternative approaches. &nbsp;I'll post again after trying to install Windows 32-bit. &nbsp;Meanwhile, if you could answer my question &nbsp;in comment 42522650, I'd be grateful.
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I meant to award an assisted solution, but there is apparently a new system in place, and I wasn't given the opportunity. &nbsp;I appreciate both Experts, and was able to install the 32-bit Windows 7 by changing the system partition from GPT to MBR and enabling legacy bios.
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I am glad you got that sorted out. The world is changing to 64-bit so you do need to get rid of your 16-bit as soon as possible. Yesterday is not too soon. <br />
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Once world is 64-bit only, your situation will be hopeless
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I'm running Windows 7 Professional 64-bit on an HP Envy 17t-K200 notebook. &nbsp;I'd like to install Windows 7 32-bit on a different partition, but the setup disc says it can't be done on a system with EFI. &nbsp;Is there a workaround for this, which will allow both operating systems to boot?
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I'm running Windows 7 Professional 64-bit on an HP Envy 17t-K200 notebook.  I'd like to install Windows 7 32-bit on a different partition, but the setup disc says it can't be done on a system with EFI.  Is there a workaround for this, which will allow both operating systems to boot?

Installing 32-bit Windows 7 on an EFI machine

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

Windows OS

Windows 7 is an operating system from Microsoft. Features include multi-touch support, a redesigned Windows Shell with a new taskbar, referred to as the Superbar, a home networking system called HomeGroup, and performance improvements.