Where to find windows7 os

I had this question after viewing windows7 purchase.

Best answer tells how to purchase windows7 for $99 to $149.

I thought the price of an operating system would go down in price.
I am forced to use windows7 because I am repairing a desktop.
Previous related question offered a choice to buy another os but this question; please give windows7 answers.
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JohnBusiness Consultant (Owner)Commented:
If you are looking for a less expensive price,


You DO need to check the vendor out well.  I see if for about $35 (plus or minus). Check the availability of a refund if the Key does not work.

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yo_beeDirector of Information TechnologyCommented:
just found this on CDW https://www.cdw.com/shop/products/Microsoft-Windows-7-Professional-x64-Edition-license/4879932.aspx which is a licensed distributor of Microsoft licensing.
It looks to me as if there were several answers as to where to buy Windows 7 in the previous question.  What am I missing?
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Dr. KlahnPrincipal Software EngineerCommented:
Depends on what the object is.  If you want a copy of W7 retail, a copy that you can load on any system, that will be somewhat expensive as Microsoft is still actively trying to kill W7 and retail licenses are becoming scarce.  An OEM license will not do as those are locked to the manufacturer's BIOS on the motherboard.

On the other hand, you can buy an entire system with W7 Professional cheaper than a W7 license.  At some point not very far into a system repair it is cheaper to replace the system in toto than to repair it if repair entails buying a copy of W7.

Case in point:  I recently bought three Dell Optiplex 780s without disks.  The seller told me the service tags and Dell indicated that all shipped with W7 Professional.  That information is stored in the BIOS and remains good indefinitely to reload W7.  Three W7 systems, $45.00 plus shipping, plus disk drives off the spares shelf.  After upgrading CPUs at $10 each, the total investment was $75 plus shipping for three quad-core W7 systems (discounting my time spent installing drives and reloading W7 into the machines.)
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
So is this Windows 7 system a retail one or an OEM one?

Dr Klahn described his Dells having the Windows 7 key in the BIOS.  Is yours one of those (a key in the BIOS)?
Scott SilvaNetwork AdministratorCommented:
I really don't remember Windows 7 as having keys in the bios yet. That came with Windows 8 and uefi bios. Now there were bios locked VERSIONS of install disks, but they didn't have the keys in the bios, they had bios strings encoded into the windows installer so keys were not required.
fred hakimRetired ITCommented:
You can use a lazesoft recovery suite bootable CD to see the keys in bios.  

see:  http://www.lazesoft.com/lazesoft-recovery-suite-free.html  

It includes Windows keyfinder, which will scan bios as well as existing windows registrys for keys.   I believe the keyfinder is under the password recovery tab, when booted from the lazesoft boot CD.  (its included on the CD, just not real obvious to find.)

rgb192Author Commented:
Best answer because cdw does not have for $5.

JohnBusiness Consultant (Owner)Commented:
Thank you and I was happy to help.
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