Solved win 7/32 & win 7/64

July 6, 2014 at 09:27:14
Specs: Windows 7 64 bit
I have system running windows 7 64 bit on the C drive. It has a second hard drive (E) as yet unused onto which I would like to load windows 7 32 bit, and have a dual boot system. Microsoft website says the older version should be loaded first but its too late now. Can I load the 32bit version after the 64bit?

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July 6, 2014 at 09:48:14
✔ Best Answer
You are trying to do something that i have just done recently.

The first thing you need to do is to download and install an application called EasyBCD. It is not essential but will certainly make the job a lot easier.

Once you have that installed and running, boot form the Windows 7 32 bit CD and install Windows 32. You have to read the installation screens carefully as the installation will assume you you want to overwrite the 64 bit version unless you tell it otherwise. Ensure you are installing it to drive E: Be aware that the drive letter specifications produced by the installation programme may be different than those reproduced by Windows itself. You will have to go by drive label and drive size.

Once you have the 32 bit versions installed, you can use EasyBCD to configure boot options for either the 32 or 64 bit versions.

EasyBCD is free for non-commercial personal use.


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July 6, 2014 at 15:59:46
Unless you are testing software on multiple systems, I cannot see the reason to have a dual boot since Windows 7 64bit can do and run everything that the 32bit can. Your choice of course. Since both are Windows 7, with care, the installation should offer you the dual boot option as long as you choose the Custom Options when installing, making sure you install on the correct drive (as mentioned above) by size and brand/model. I have not done this myself with Windows 7, but it should work without too much trouble. Since you will be formatting and installing, it is not a bad idea to make a current back up and/or a drive image in case something happens.

You have to be a little bit crazy to keep you from going insane.

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July 7, 2014 at 03:15:46
99.9% of the time an application that runs in Windows 7 32 bit should also run in Windows 7 64 bit. But like all rules, there are exceptions.

VB6 runs perfectly well in Windows 7 32 bit and 64 bit. A few minor clinches but nothing serious. However the Package and Deployment Wizard wont run in Windows 64 bit at all. I suspect it has something to do with OLE which is an old technology that may not be fully implemented on Windows 7.


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July 7, 2014 at 10:25:44
Windows 64-bit emulates a 32-bit environment.
Windows 32-bit emulates a 16-bit environment.
If you're trying to use something that relies on the 16-bit environment in Win x64, you're going to have a bad time. I believe VB6's Package and Deployment Wizard is one of those 16-bit programs. Most of the installers back then were 16-bit. They didn't require anything that was exclusively held by the 32-bit environment, and the installers could interact with Windows 3.x.

That said, just install the other copy of Windows to the other drive without deleting the existing install. The setup should take care of the rest.

How To Ask Questions The Smart Way

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