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Windows 7: Installing 64 bit over 32 bit

22 Feb 2011   #1
paulbrown

Windows 7 Home premium 64 bit
 
 
Installing 64 bit over 32 bit

Hopefully this will be simple. I purchased the 3-user pack, and accidentally installed the 32 bit version when I wanted the 64 bit. What is the easiest way to install the 64 bit. I tried to insert the disk and restart, but it is telling me that the software is incompatible. ?????


My System SpecsSystem Spec
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22 Feb 2011   #2
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by paulbrown View Post
Hopefully this will be simple. I purchased the 3-user pack, and accidentally installed the 32 bit version when I wanted the 64 bit. What is the easiest way to install the 64 bit. I tried to insert the disk and restart, but it is telling me that the software is incompatible. ?????
To change versions you must do a clean install (with format). Sorry
My System SpecsSystem Spec
22 Feb 2011   #3
paulbrown

Windows 7 Home premium 64 bit
 
 

So simply installing the disc and doing a custom install wont do the trick? Actually, I dont even get a prompt for either type of install. Is this a pretty involved process? Forgive me, but I have never done a clean install, except for Windows 7 over Vista, which was very easy.
My System SpecsSystem Spec
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22 Feb 2011   #4
Ztruker

Windows 10 Pro X64
 
 

Windows 7 over Windows 7 is just as easy. Just follow the instructions at the link zigzag3143 gave you.
My System SpecsSystem Spec
22 Feb 2011   #5
gregrocker
Microsoft MVP

 

You have to boot the installer, not run it from the OS.

HOW TO BOOT A DVD/CD
My System SpecsSystem Spec
22 Feb 2011   #6
bobkn

Windows 7 Pro X64 SP1
 
 

Quote   Quote: Originally Posted by paulbrown View Post
So simply installing the disc and doing a custom install wont do the trick? Actually, I dont even get a prompt for either type of install. Is this a pretty involved process? Forgive me, but I have never done a clean install, except for Windows 7 over Vista, which was very easy.
The key feature is that you can't launch the 64 bit installation DVD from a 32 bit version of Windows. You have to boot from the DVD.
My System SpecsSystem Spec
23 Feb 2011   #7
paulbrown

Windows 7 Home premium 64 bit
 
 

Thanks for all the help. Fixed it last night-had to set dvd priority in bios to get it to go. Went off without a hitch. Luckily, I had not installed all my other programs yet, so no backup was necessary.
Thanks again for the quick reply.
My System SpecsSystem Spec
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 Installing 64 bit over 32 bit




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