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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Retrieving OEM-SLP key from OEM Recovery DVD

I have a number of HP ProDesk 600 G1. I use Windows Deployment Server (WDS) to deploy a custom image to these machines (effectively removing HP bloatware) and I'm trying to find the OEM-SLP key. I ...
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1answer
30 views

Windows Product Key in Boot Menu

My Windows is corrupt now. There's some issue with the BCD. What I wanted to know was is there anyway, I can get to know the Product Serial Key through the Boot Menu ? As I guess, I'll be ...
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1answer
38 views

If I delete pre-installed Windows 8.1, is it lost forever?

There's this Asus X200MA with fixed 2GB RAM and pre-installed Windows 8.1 . 2GB RAM + Windows combination makes a sad computer and a frustrated user. So I want to install Elementary OS Freya on it. I ...
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0answers
35 views

Recover Windows 7 OS product key from C drive

My laptop internal hard disk has stopped working.So I have removed it and put in to external HD case.I have to format it and re install OS.Is there a way I can recover product key from the drive data. ...
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2answers
151 views

Windows 7 OEM product key isn't working

I have a problem with my Fujitsu Siemens Esprimo Mobile v6535 laptop. I got it from dump and the HDD was bad, so i replaced it. At the begining, i was using a non-genuine copy of windows (because the ...
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0answers
52 views

Why won't windows 10 allow me to upgrade without first entering windows 7 product key?

Ok, so I am running windows 7. I previously upgraded to 10 smoothly, however I blue screened frequently due to my graphics cards being ancient and not supported. I rolled back to windows 7 for the ...
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0answers
83 views

Cannot refresh windows 8.1 after downgrade from windows 10

The computer started off as running windows 8.1 out of the box. When windows 10 was officially released, the computer was upgraded using a usb drive with windows 10 installation media, rather than ...
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2answers
19k views

Is there a way to establish what version a Windows 7 product key is?

I have a Windows 7 product key that I foolishly did not label. Rather than downloading and creating disks for however many different ISOs exist (Basic, Pro, Ultimate, 32-bit/64-bit, upgrade, full ...
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4answers
4k views

What can cause Windows XP to reject a valid product key?

I bought a new motherboard last week. Windows 7 is running well, so now it's time to get my Windows XP running. I can't install direct from the original Windows XP Home CD (retail version) because it ...
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3answers
239 views

Windows 8.1 Reinstall?

I was helping a friend of mine who had a blank password on his Windows 8.1 computer. He recently got an update and since this update he is unable to login to his computer. His computer was not ...
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1answer
134 views

Windows 7 Activation key stop working

I tried to upgrade to Windows 10 a few days ago. Something went wrong, and my computer began to operate extremely slow. After several unsuccessful attempts at troubleshooting, I decided to reinstall ...
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2answers
3k views

Solved: Windows 10 “Device Limit Reached”

I have Windows 10 installed on 3 laptops and only 1 of them can be activated. I checked the product keys and they are the SAME. All 3 of those laptops had their own product keys prior to the upgrade. ...
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1answer
146 views

Windows 8 product key not working

was was running windows 8.1 for a long time on my laptop. Then a couple of weeks ago i installed windows 10 insider preview and used the product key that was provided by Microsoft to use with windows ...
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0answers
71 views

invalid product key windows 7

When I open computer properties and scroll to bottom, I saw that Windows activation told me that I have to activate my Windows, and changing the product key. It only given me 3 options for ...
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1answer
184 views

Unable to upgrade Windows 10 edition from Home to Pro

I have a Lenovo laptop which upgraded from Windows 8.1 Home to Windows 10 Home. I have a (legitimate) Windows 10 Pro key which I ran through the "Change Product Key" wizard. After a reboot I get an ...
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1answer
63 views

Can I install Windows 7 from ISO then activate with key from DVD

If I download a legit windows 7 iso from here http://www.microsoft.com/en-us/software-recovery and I have a legit windows 7 installation DVD (retail, not OEM), can I activate using that product key?
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2answers
1k views

8.1 to 10 setup : Something happened > Setup has failed to validate the product key

Just like millions of other users, I'm attempting to upgrade to windows 10. I have a Dell laptop running 8.1, which had windows reinstalled once. That was because I swapped the HDD out for a SSD and I ...
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3answers
16k views

Windows 7 product key does not work on Windows 10

I just did a fresh Window 10 installation from .iso files on the computer I was running Windows 7 on before. I have the original Windows 7 DVD's, with a valid key that I was using before. Now I tried ...
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1answer
2k views

Windows 7 activation failed, legal product key was used (HP 840 G1 laptop / clean install)

Problem Valid product key is not accepted after clean reinstall. What could be the reason of that and how to pass activation process ? Goal install & activate "clean" windows 7 professional ...
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1answer
129 views

How to enter product key for trial version of Office 2013

My new laptop came with a trial version of Microsoft office Professional Plus, this trial lasts for 30 days. So I found a website that sells the key I need, here is the link to the website: ...
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3answers
209 views

Activating Windows 8.1 after changing my hard drive

Two years ago I bought a laptop which came with Windows 8 already installed. Upgraded to 8.1 last year. The warranty expired a year ago. I got a new hard drive recently and installed it today. Made ...
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1answer
61 views

Can I re-install Windows 7 English with an activated product key for another language?

My computer came with Turkish Windows 7 Professional installed. So I wanted to install the English version. Is it possible to use the existing, activated product key on the box to install English ...
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6answers
3k views

Determine Product Key Used to Activate Windows 7

I have an OEM version of Windows 7 running on a recently purchased Dell laptop. The laptop came with only 2 GB of memory but I'd like to upgrade it to 6 GB. To do so will require me to reinstall ...
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1answer
195 views

Autofill Product Key Windows Vista / 7

I am using sysprep to make a generic version of Windows and put it on a bunch of computers I am redoing for a customer. I plan to later develop more extensive images and go through the entire WAIK to ...
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1answer
3k views

How to find Windows 7 Product Key?

I have a laptop that came with Windows 7 Home Premium pre-installed. But I recently had to format it. I need to enter the product key again but the sticker on the laptop is not readable now as it is ...
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1answer
48 views

Linux utility for recovering Windows CD Key from HDD? [closed]

I've got a Windows HDD and no access to a Windows machine but I have Ubuntu. What's a good Linux utility for recovering the CD Key from the Windows 7 installed on this drive?
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2answers
189 views

How to retrieve lost Windows 7 key (computer crashed)?

I was going through my usual day at work with my laptop,when it crashed,corrupted the drive,and rendered it useless,unless I reformat the drive itself. But,I somehow lost the disc and the product key ...
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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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2answers
5k views

Does Windows 8 RETAIL install extract OEM product key from BIOS?

I am in a situation where I cannot use Magical Jelly Bean Product Key Finder since the hard drive has failed on a particular system from HP. Sadly HP will only sell restore discs and I don't have the ...
2
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1answer
2k views

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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3answers
29k views

Change the Windows 8 product key after installation?

I just completed a fresh install of Windows 8 Pro as it was released to MSDN. Installation went without a hitch however I can't find out where to enter the correct product key for the copy I have. ...
0
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1answer
300 views

How can I recover a Microsoft Office 2013 product key? [duplicate]

I have Office 2013 installed on one of my computers but I have misplaced the product key. It is not set up through my Microsoft account and I would prefer it not be. How can I recover the license key ...
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5answers
31k views

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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0answers
59 views

How can I extract the Windows 8 OEM product key when I can't boot to Windows [duplicate]

I have a Dell Inspiron laptop with preinstalled Windows 8, upgraded to Windows 8.1 which cannot boot now. I am able to get in recovery screen with an USB installation kit. In order to get the ...
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2answers
22k views

Determine if Windows 7 is 32 or 64 bit from the product key?

Unable to start Windows to determine whether the version of Windows 7 Home Premium is 32 or 64 bit. The product key is available. That is all I have. Looking to acquire re-installation media but ...
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0answers
126 views

Recovering the Windows 7 Product key, from a system upgraded to windows 8

I have a system that was running Windows 7 and then, back when Windows 8 was cheap, was upgraded to 8 (now 8.1 + Media Centre via separate updates & additions). Now I come to reformat / reinstall ...
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0answers
296 views

Windows 8.1 wont validate my product key

Windows 8.1 wont validate my product key - It worked up until today and now says I need to activate Windows and wont recognise my product key
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1answer
185 views

Move HDD to another laptop, can't change Windows 7 product key

One of my clients returned to me a Dell Latitude laptop that runs Windows 7 Pro with an OEM product key (bad motherboard). Now, I have a laptop that is the same model (it is already set up with ...
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1answer
368 views

Retrieve/decrypt Windows 7 product key from Linux

I accidentally disconnected my hard drive while it was still running and corrupted my Windows 7 installation; I am now completely unable to boot into Windows. I have tried everything to try and repair ...
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1answer
61 views

determine the owner of the windows copy of a PC

Our team have several of Computers. and 3 product keys of windows 8.1 of that PC belongs to me. but i can't remember which machine I put them. how can i find the machine which my product key ...
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2answers
230 views

Recovering Windows 7 Product Key from Registry Backup

My SSD gave up a little while back and I would like to recover my Win 7 Product Key from the drive. Even using recovery software, I was unable to recover my Windows/System32/config directory which I ...
13
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2answers
3k views

Is it safe that everybody can see the Windows product ID?

Is it safe that everybody can see the Windows product ID? What is my CD key given the product ID?
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6answers
41k views

How to find Windows 8 product key?

Does anyone know of a way to get the product key that was used to activate Windows 8? Bonus points for an updated algorithm to extract the product key from the registry key. While I realize this ...
30
votes
5answers
134k views

Install Windows 8 without a Product Key

Windows 8 setup asks for the product key at the beginning of the setup without letting you install it. I got the Windows 8 ISO from MSDN but I didn't get enough keys to install it on all my 7 ...
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1answer
22k views

What happens to the Windows 7 key when upgrading to Windows 8? [closed]

Microsoft is offering "Microsoft Windows 8 Professional Upgrade" at a discounted price compared to the OEM version. However it states: If you currently have a personal computer running Windows 7, ...
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1answer
166 views

Asus Windows Vista Home Premium product key expired

I can't start my laptop in normal mode. It says that my product key is already expired and I need to type a new one. I have a product key on the back of my laptop, but it seems to be not valid. If I ...
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0answers
95 views

Windows xp prodcut key

I am trying to remove a product key from windows XP when creating a ghost (each pc can then add there own PK for that hardware) but I am coming against some problems. I have tried the following. ...
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1answer
430 views

How to find the actual product key of Microsoft Office 2010?

Where can I find the actual product key of Microsoft Office 2010 ? I use Windows 8 and When I try to open Excel 2010 unlicensed product message appears and need to 25 character input to open it . I ...
13
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3answers
7k views

Determine which software product a Microsoft Product Key activates

Without a product key being labelled, is there is any way to identify what Microsoft software product a given product key is meant to activate? Let's say for example I had the product key ...
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1answer
14k views

Reinstalling Windows Xp Professional OEM

My aunt called me in to repair her desktop and laptop computers. (Level up! You become: The Family's Private IT.) The desktop wasn't much; just many, many junk pieces of software that her daughter ...