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.

learn more… | top users | synonyms

0
votes
2answers
26 views

Determine If Windows 7 Product Key is OEM Before Installation

I have some Windows 7 disks and product keys that I bought on eBay. They didn't come in a box, but the disk and the product key sticker otherwise look legit. What I want to know is if the keys are OEM ...
0
votes
1answer
79 views

How to take advantage of free upgrade to Windows 10

We have 3 laptops that came with pre-Installed Windows 8 Single Language OEM. We don't want to use Windows 10 right now but maybe later someone need to use it so I want take advantage of free upgrade ...
1
vote
1answer
76 views

Can I use windows 10 installation media that I made by Media Creation Tool to install in another computer

I have made bootable flash drive using Media Creation Tool (Windows 10 Single Language) from laptop that have activated Windows 8 to use it for upgrade or clean install later. my question is: can I ...
0
votes
1answer
81 views

Can I install windows 10 in windows 8 laptop using the same product key

I have laptop that come with windows 8 installed and I install windows 10 on the same hard drive (in new partition) using same product key. I want to keep windows 8 and don't want to use windows 10 ...
0
votes
2answers
47 views

How do I know where exactly my .reg will be installed in the registry?

I am going to install a .reg file and I want to know, where exactly in my registry will it be installed? Is there a way to find out the registry path? I want to locate the 20 character serial number ...
0
votes
1answer
121 views

Product Key for windows 7

Hello can anyone tell me about the windows product key I have brought a dvd to install windows 7 please tell me where is the product key written there is a barcode written in its cover is that the ...
0
votes
0answers
48 views

Transferring Windows 10 lisence after clean install

I got an SSD and did a clean installation of windows 10 after downloading the official ISO image. The old HDD is still able to boot the old windows 10 installation. Now I need to activate the new ...
0
votes
1answer
38 views

Preinstalled Windows 7 vs. Vendor Win10 on DVD vs. Win10 from Microsoft

I bought a new HP ProDesk 400. This machine has a preinstalled Windows 7 Pro, which I could setup manually. I also got a Windows 10 Pro DVD from HP (labeled 'DVD-Kit 836297-DW2') I don't see any COA ...
-1
votes
3answers
120 views

Is the windows 10 product key in BIOS?

My new laptop's preinstalled Windows 10 was activated as soon as it was connected to the internet. But no product keys were shown to me. There is no product key label on the laptop. Somewhere I read ...
0
votes
1answer
55 views

SSD death reinstall windows 10 with existing windows 7 key

My SSD is totally dead. Really dead, i can't see it in the explorer connected over USB, it's not shown in the BIOS, it's not shown in a linux live environment.. Really dead. So the problem is that my ...
0
votes
1answer
119 views

How to recover lost Microsoft Office 2013 Product Key after Windows 10 Reset PC

Although the Windows Lost Product Key question has been asked before, this is slightly different. I did 'Reset this PC' from Windows 10 Recovery without taking a backup of the system or files. All my ...
0
votes
1answer
74 views

Lost my windows product key and the hard drive is dead , and this has no cd : How do I recover?

I had windows 7 Professional running on this machine. I got this machine from my attic, but the key and Cd are lost. The HDD died a while ago and doesn't get detected in the BIOS. Is there anyway of ...
0
votes
2answers
95 views

How to wipe an Asus laptop and not lose the Windows product key?

How do I wipe my Asus laptop without losing the Windows product key? The machine was originally 8.1 64, now it's 10 64. Where can I find this key? Should I make a backup of the recovery partition? If ...
2
votes
2answers
116 views

Win10 OEM key extraction. No MSDM tab

I just bought a new Dell XPS 13 with win10 pre-installed. I want to completely wipe the drive and install Ubuntu 16.04. But before I do that I would like to extract the oem product key. I've tried ...
0
votes
1answer
114 views

Reinstalling windows 10 free upgrade, which key should i use [duplicate]

Hello my parents updated their laptop with Windows 7 to Windows 10, apparently by mistake. Since they do it themselves, I did not see the terms of conditions nor any information displayed before the ...
0
votes
1answer
1k views

Getting error code 0xc004f210 when trying to activate Windows 10 with a Windows 8 product key

I have a Lenovo G580 laptop that came with pre-loaded Windows 8 on it. I did a fresh install to Windows 10 using the Microsoft Media Creation Tool and rebooted then the installer asked me for the ...
0
votes
1answer
84 views

Check Office product keys online [duplicate]

We have like 20 Office 2010 Product Key Boxes but we have no clue which one are used and which one are free. Is there any way to check which one are free?
0
votes
0answers
148 views

How to find Windows 8.1 Product Key After Upgrading to Windows 10

I had purchased originally installed windows 8.1 Laptop which got upgraded to windows 10. Can I retrieve my windows 8.1 product keys now after upgradation to windows 10.
2
votes
1answer
142 views

Check partially unreadable CoA Product Key

Two characters are missing on a torn Windows 7 Professional ACER sticker. While I can build a list of matching product keys with combination generator like this one, how could I check its validity? ...
0
votes
1answer
178 views

Skip upgrading W8 Pro to W10 and install W10 and use key from W8 Pro?

I am sorry to have to ask this question, but I do not have the points to just comment on some of the similar questions: Windows 10 Clean Install and Windows 8.1 Product Key [duplicate] Can I install ...
5
votes
3answers
153 views

New computer purchased without COA or Product Key

My brother recently purchased a new computer with Windows 7 Home Premium 64 bit installed on it. He got it from either an individual, or a company, I'm not sure which. The problem is, when he first ...
1
vote
0answers
26 views

Is there a way to see when the product key of a windows os was last changed?

Is there some way I can see when the product key of Windows Server was changed last? I'm trying to find out if our old IT guy changed the product key on one of our MSDN licensed OSs before he left.
0
votes
0answers
18 views

Can I activate windows 10 with Windows 8.1 Product Key? [duplicate]

I have a windows 8.1 product key. I have plan to clean install windows 10. After I download the Windows 10 ISO and Can I install it using windows 8.1 product key?
0
votes
0answers
67 views

Is there any way to get Windows 8 (not 8.1) Installation Media if I only have access to Windows 8.1?

Long story short, I've got a device and an OEM Product Key for a licence for Windows 8 on it. After a complicated journey of many upgrades and downgrades now I find myself with Windows 8.1 installed ...
-1
votes
1answer
74 views

Is there a way to reusing a product key for Windows? (with specific details, please read description) [duplicate]

Here's how the story goes Bob buys a laptop with the Windows 7 OS on it (on the bottom of the laptop is a windows 7 product key, but it's useless, because it's already used on that laptop) He then ...
1
vote
2answers
177 views

purchase a laptop to recycle windows product key

I need to activate Windows 7 ultimate x64 on my workingstation and I have to buy a product key. I'm considering opting for a solution with a greater value for money: purchasing a cheap used laptop ...
0
votes
0answers
42 views

Reinstall windows 10 with new build [duplicate]

I had Orginal Windows 8.1 and I just upgraded it to Windows 10 'build 10240'. Now, I doesn't get any updates like update to build 10586 (maybe you know why). I want to perform clean install of new ...
0
votes
1answer
479 views

How to upgrade from Windows 10 Home without product key to Pro

So, being the dummy I am, I installed Windows 10 Home over Windows 7 Pro. Right now, Windows 10 Home is unactivated because I can't use my 7 Pro key to activate 10's Home edition (I get error code: ...
1
vote
1answer
168 views

Clean install of Windows 10 OEM: license key issues?

I have been a Linux user after switching from Windows 98 and never looked back. However, a friend asked me to set up their brand-new Lenovo ThinkPad with Windows 10. I was totally startled at how ...
1
vote
1answer
193 views

Is it possible to use a Windows 10 product key to activate a Windows 7 installation?

This question is the opposite of the problem that most people have, and I haven't found a good answer for it yet. My company has custom hardware configurations on shipped systems, and we are ...
0
votes
0answers
90 views

Product key invalid after going from windows 7 to 10 and back again

I upgraded my Window 7 Home Premium to Windows 10, then went back to Windows 7 and now it says my product key is invalid for activation and I have 7 days to enter new key. Any idea how to correct ...
1
vote
1answer
1k views

Windows 7 Product Key for Download Windows 7 Disc Images (ISO Files)

I lost my Windows 7 Product Key , so I restored it by software as Belarc and NirSoft , both them gave my the same Product Key . Now I try to Download Windows 7 Disc Images (ISO Files) , and I asked ...
0
votes
0answers
176 views

Find Windows 7 Product key after windows 10 upgrade

I know a form of this question has been asked before but... A client of mine upgraded her pc from windows 7 to windows 10 more than 30 days ago. She hates windows 10 and wants windows 7 back on there....
0
votes
1answer
370 views

Reinstall Window 8 single language on a Dell preinstalled laptop

My Dell laptop came with Windows 8 Single Language 64bit, the below sticker having product key got erased. Contacted dell and they told product will be embeded inside Motherboard, I just need to run ...
0
votes
1answer
288 views

Changing product key on Windows 7 MSDN

How do I change the product key for a MSDN based Windows 7 Ultimate 64-bit PC? I am aware that if I had a retail version, then the process would be simple, namely Control Panel | System | Windows ...
0
votes
1answer
147 views

My Windows 7 Product Key does not match with my current windows version

let me explain Since I'd heard that Windows 10 was coming for free, I been crazy waiting for the notification to appear on my task bar, but nothing would happen. Two months ago I was surprised ...
0
votes
1answer
3k views

How to find out which windows version my product key matches?

I retrieved my Windows 8 product key from the firmware but have no idea which version it's supposed to match. My Windows 8 cannot be booted into (hence the need to re-install in the first place) How ...
2
votes
1answer
135 views

How do I tell if a Windows 8.1 Product Keys is an OEM key?

My system has been upgraded multiple times. Latest was upgraded to Windows 8.1 Pro with media center. I would like to move the license. But I am not sure if I have still have an OEM Licensed ...
0
votes
1answer
304 views

Switch product key windows 10 home and pro

I've got today windows 8.1 pro on my workstation and windows 8.1 home on my laptop. I've upgraded each of them to windows 10 (pro on workstation and home on laptop) last month. However, I need now ...
0
votes
2answers
221 views

Use of same product key in Windows 7 different version

I'm using Windows 7 Home version. Recently I switched to Windows 7 Ultimate. Can I use the same product key that was given for Windows 7 Home version in newly installed Windows 7 Ultimate? If so, can ...
-2
votes
1answer
207 views

Windows 10 Product Key Expiration [closed]

Here's what my Windows 10 32-bit Enterprise Edition is showing via slmgr/xps method of activation check : What should i do ? Thanks
0
votes
1answer
110 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 ...
-1
votes
1answer
151 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 ...
0
votes
2answers
867 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 ...
-1
votes
1answer
179 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 ...
1
vote
1answer
541 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 ...
0
votes
1answer
318 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 ...
0
votes
1answer
256 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 ...
0
votes
0answers
140 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 activation,...
1
vote
5answers
3k 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 ...