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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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 ...
2
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1answer
2k views

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
1k 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
63 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
133 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
56 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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votes
6answers
2k 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
193 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
2k 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
41 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
109 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
4k 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 ...
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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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votes
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. ...
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votes
1answer
243 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
29k 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 ...
3
votes
0answers
58 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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votes
2answers
21k 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
99 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
282 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
132 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
3k views

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
253 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
51 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
178 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 ...
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2answers
2k 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
39k 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 ...
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5answers
127k 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
20k views

What happens to the Windows 7 key when upgrading to Windows 8?

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
153 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
90 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. ...
0
votes
1answer
419 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 ...
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3answers
6k 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
13k 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 ...
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2answers
70k views

Check if Windows 7 product key has been used

Selling my Windows 7 as used to someone, however, I have lost track of whether the product key is still used on an old PC of mine. Is there any quick way to check whether a product key has been used ...
2
votes
2answers
30k views

How to change the saved Office 2013 Product Key

I installed Office 2013 and put in the product key when it asked me to. After typing in the product key, it allowed me to use MS Word once. After I closed MS Word and went to reopen it the next day, ...
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votes
3answers
65k views

Where can I download a rescue disk for Windows 8?

Where can I download a rescue disk for Windows 8? I have paid for Windows 8, but I would like to be able to download a Windows 8 repair disk using my product key. Is this possible?
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2answers
4k views

No COA provided with OEM version of Windows 7 that I purchased. What to do?

I bought a sealed copy of Windows 7 Home Premium 64 bit to install on a computer I am building. When I opened the package there was no Certificate of Authenticity (COA) or activation code. Is this ...
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2answers
1k views

Product Key issue with MS Office 2010 click-to-run

I'm working on a client's PC that has MS Office Home and Student installed. The unusual thing is that there is no winword.exe or the like for the applications. The shortcuts point to "C:\Program ...
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1answer
994 views

How to get Windows 7 Product Key from old mac harddrive

I don't know if I am going to get an answer or if this is possible but here goes. On my old macbook pro, running Snow Leopard, I installed Windows 7 with bootcamp. The logic board crapped out on me ...
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1answer
61 views

Is there a way to find out what COA (Certificate of Authenticity) a computer has in Linux?

I’m working on making a script that will export all the specs of the computer that runs it. I can get all the information I need besides the COA (Certificate of Authenticity) that the computer was ...
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3answers
13k views

Where do I find my Windows 7 registration key if I lose the DVD?

I lost my Windows installation DVD. I don't remember the registration key for my Windows installation, and I want to get rid of the pop-ups stating that my Windows is not genuine. I learned that the ...
1
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3answers
36k views

How do I find which serial I used for Photoshop CS5 on my computer?

I want to move my Photoshop CS5 installation to a new computer. Unfortunately, I lost the paper with the cd-key. Is there a way to recover the serial from my local installation?
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votes
3answers
21k views

Office 2013 Trial Error 25004

I had some issues with getting an Office 2013 Professional Plus 2013 trial when I first installed it from TechNet, and I had to reinstall it. When I tried to activate it after reinstalling, I got the ...
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1answer
327 views

Unable to install Windows product key - error 0x80041015

I decided to install a proper product key for my Windows 8.1. I tried the PC Settings applet, but it refused to accept my key. I tried using slmgr /ipk ...., but got error WBEM_E_TRANSPORT_FAILURE ...
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votes
2answers
279 views

What happens if I deactivate Windows RT?

Windows RT is, like any other OEM Windows product, preinstalled and preactivated on a PC. Most PCs running standard Windows have a product key label on the back (for desktops) or on the bottom (for ...
0
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0answers
271 views

The Windows Product Key Deleted After Uninstalling Norton (From Xfinity)?

I have just uninstalled the free Norton antivirus package from Xfinity, and replaced it with McAfee Security Center from AT&T, due to changing internet providers. When I restarted Windows 7 SP1, ...
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0answers
34 views

Change SQL server back to a trial

I need to convert a SQL Server 2008 instance on a VM (which is licensed) back to a trial. What are the steps to do this? REASON for this: Need to give a VM with a custom solution on it to a 3rd ...
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2answers
534 views

Will Visual Studio 2013 marry it's current product key to my account if I sign-in?

I just recently switch from using Visual Studio 2010 to Visual Studio 2013 at work. Visual Studio 2013 is registered with an MSDN product key that the company pays for. I am new to the concept of ...