Solved windows 7 x86 to x64-bit edition installation & activation

May 4, 2013 at 19:31:28
Specs: Win 7 Ultimate SP1 32-bit, Intel Quad Core i5-760 4GB Ram
I have Win 7 Ultimate x86 oem system builder version currently installed & would like to know if it's possible to change my os to a x64 version in regards to removing the x86 version and installing the x64 version. Possibly install the 64-bit version of Win 7 Pro on the same pc with all the components intact except for a possible memory stick addition.
Will there be activation issues? Will the x86 be usable on a different pc?

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#1
May 4, 2013 at 23:34:12
upgrade windows 7 ultimate x86 to x64
http://is.gd/WZ9IyY

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#2
May 5, 2013 at 04:15:06
✔ Best Answer
The only path from a 32bit version of Windows 7 to a 64bit version is a clean installation. This means that you need to wipe the partition that windows is on (install disk>custom>Partition/Format) and do a full install on a clean formatted partition. If your files are on a different partition, they can stay (though you need to have a back up just in case of error or problem), but even if your programs are on a different partition, they will need to be reinstalled from scratch. If your files are not on a separate partition, you will need a full copy of them as well as your normal back up.
Unless you need the additional memory that 64bit allows you and plan on installing significantly more than 4GB RAM (like 8GB or 16GB in dual channel mode), it probably does not pay. Using 64bit with 4GB RAM is not better than using 32bit with 4GB installed (approx. 3.2GB usable) since 64bit uses one GB more by itself than 32GB.

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


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#3
May 5, 2013 at 23:22:11
The Microsoft OEM FAQs state:

Generally, an end user can upgrade or replace all of the hardware components on a computer—except the motherboard—and still retain the license for the original Microsoft OEM operating system software. If the motherboard is upgraded or replaced for reasons other than a defect, then a new computer has been created. Microsoft OEM operating system software cannot be transferred to the new computer, and the license of new operating system software is required.


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