A product key is a character sequence that acts as the license to a software product, and often required as proof of purchase. Also sometimes known as serial number.

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Retrieve Windows 7 Product Key from Linux [duplicate]

My Windows 7 is corrupted and no way I can get this repair tool working. The good thing is that I can format and make a fresh install, the bad thing is I lost the product key (I have the DVD). Right ...
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How to get windows 7 cd key from command prompt or linux live disk?

Recently my windows 7 installation broke and refuse to boot (see here). I wish to reinstall but only have 1 cd key. Is there a way to retrieve my current cd key with the use of only command prompt ...
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How can I know which key of Windows Vista corresponds to the upgrade key of Windows 7

I have two Dell PCs. And each PC has a Windows Vista disc and a Windows 7 upgrade disc which Dell gave me for free. And each disc has a product key. There are 4 product keys in total. I'm going to ...
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1answer
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Windows 7 product key is blocked by activation server

I bought Windows 7 Ultimate from eBay around 8 months back. I got original Microsoft DVDs (for 32 and 64 bit) product sheet. To verify the genuinness, I activated the windows immediately after ...
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How to recover Windows Vista product key?

Two years ago I bought an Asus laptop with Windows Vista pre-installed. I also received a recovery DVD with it. I now want to reinstall Windows and fully format the hard drive - however, the sticker ...
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1answer
10k views

Any way to recover a lost Office 2010 product key purchased through HUP?

A year ago, I had an internship with Medtronic, where they sold Office 2010 for $10 through the Microsoft Home Use Program (HUP). I downloaded the install file and they sent the product key to my ...
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Windows XP SP1 with invalid key, upgrade to Windows XP SP3 with valid key

I have a Windows XP Professional SP1 system with an illegal key (not mine). I need to get it to SP3 in order for it to handle the software I am trying to install; I have a valid key for Windows XP ...
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323 views

Exchanging a brand new laptop because of a dead pixel, is there any way to re-validate my Microsoft Office product key?

I just bought a brand new laptop (Toshiba Satellite L655-S5155) and realized AFTER I had installed Norton 360 and Microsoft Office Home and Student 2010 that the monitor has a dead pixel. I'm ...
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Recover Vista install key from non-booting OS drive

A friend's Vista-based computer won't boot, so I am just going to format and reinstall. The problem is that she never kept her product key for Vista. Is there any way to recover that key from ...
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1answer
201 views

reinstall and XP downgrade rights

I have to reinstall a system that originally (at time of purchase) exercised the XP downgrade right. But the COA sticker only has a product key for Vista Business. What key should I use to ...
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Find the product key I entered for MS Office on Mac

I have several legal license keys for Office:mac 2008. I want to do a quick audit of the two machines I've installed office on and verify which license keys are being used where. But I don't see the ...