Option 1: Connect your Dead or Unbootable Drive to Another Working PC

Simply take the hard drive out of your dead or unbootable computer, then attach it to another working computer as a slave (or secondary) drive. Using KeyFinder Plus program you can easily recover lost Windows and software product keys from the Windows registry file on your dead or unbootable hard drive. Follow these steps:

1. Launch KeyFinder Plus and then click on “Start Recovery” button.

   

2. Choose the “From non-booting system” option from the drop-down menu, a new dialog box will appear.
3. Click the “…” button to specify the SOFTWARE registry file of your dead or unbootable hard drive, which is present in the Windows\System32\Config folder. Click OK.

   

4. The program will now show you all the product keys that it is able to find from your broken computer which makes it very handy when needing to re-install.

Option 2: Using a Key Finder Bootable CD

PCUnlocker is the ultimate rescue & recovery bootdisk which can not only be used to reset forgotten Windows admin/user password, but also recover lost Windows product key from crashed or dead computer.

1. Boot your target computer from PCUnlocker Live CD, which can be created by following this tutorial.
2. When the PCUnlocker program starts, click the Options button at the bottom left corner and then select “Find Product Key“.

   

3. In the popup window, you’ll see a list of product keys which are recovered from your Windows installation. Click on Save.

   

4. Browse to a location where you want to save the product keys. It could be your external USB flash drive.

   

Conclusion

There are many other ways to recover lost Windows product keys from a dead or unbootable computer, but these two method above should be the best and the easiest ones. The key finder programs mentioned above support the product key recovery for Windows 10, 8, 7, Vista, XP, Microsoft Office and many other softwares.

Product Key Finder is the best Windows key finder program which can help you find lost Windows 8/7/Vista/XP product key easily. It’s a well-known fact that Windows product key is stored in the registry, but it is encrypted for security reasons, so it won’t be of any use to you. With Product Key Finder you can get back your lost product key in just a few simple steps!

How to Find Lost Windows Product Key Using Windows Key Finder program?

Download Product Key Finder and save it on your computer. After the download is complete, double-click on the download file and install it. Next launch the application. Click on the “Start Recovery” button and then choose the “From current system” option. The program will go through the registry on your computer and locate your Windows product key and some keys for other software installed on your machine.

Write down the product keys and then you can reinstall Windows, or place the key in a database where you won’t lose it. Product Key Finder is a handy recovery tool to keep in your software utility toolbox.

That’s all there is to it. The use of this type of Windows key finder program is not illegal, because it is simply locating and providing the product key that you purchased.

I recently purchased a Lenova Ideapad n580 with Windows 8 pre-installed. I was thinking about adding features. However, this requires the product key and I have been unable to locate it. I checked in the Control Panel under Systems but could only find the last 5 digits of the product key. I want all 25 digits for future reference in case something were to happen. How can I find the product key?

Lost your Windows product key or the product key sticker is torn or destroyed? How to find the product key on a pre-installed version of Windows? If you have bought a computer with a genuine copy of Windows 8/7/Vista/XP pre-installed, follow this guide you can find Windows product key easily from your current Windows installation.

How to Find Product Key of Pre-installed Windows 8/7/Vista/XP?

Actually, Windows product key is located in the registry but it is encrypted and not readable. Fortunately, there is a simple product key finder program which can help you decrypt and extract Windows product key in just a few steps:

1. Download and install Product Key Finder program on your computer which comes with Windows 8, 7, Vista or XP pre-installed.
2. Start the program and then click on “Start Recovery” button, it will display a list of recovery options.
3. Choose the “From current system” option, the program will quickly decrypt the product key which is encoded in Windows registry, and then reveal your Windows product key immediately.

So this is how can you easily find Windows product key from any computer which came pre-installed with Windows 8, 7, Vista or XP. This method also enables you to recover lost product key from a retail copy of Windows operating system.

I’ve got a virus on my machine and have to reinstall windows 7. I bought a copy from software for students so it was downloaded. I can’t really remember but I assume I must have also downloaded the product key. I usually keep all my product keys backed up but I can’t find it anywhere. My Question is, is there any way to recover Windows product key from my laptop?

Need to reinstall the OS of your computer but have misplaced the product key? The product key sticker in the bottom of your notebook is scratched? Reinstalling Windows requires you to have the original product key. If you’ve lost your product key, it could become a real nightmare until you can retrieve them back.

It doesn’t have to be this way, though. If you install Product Key Finder now, then it will scan your PC, and recover Windows product key and all the serial numbers for the applications installed. Print out the product keys or save them to disc and you’ll always have your keys to hand.

How to Recover Windows Product Key:

1. Download and install Product Key Finder on your computer.
2. Launch Product Key Finder and click the Start Recovery button. It will bring up a drop-down menu that provides three recovery mode: From current system, From non-booting system and From remote computer.
3. To recover product keys from your current Windows installation, choose the first recovery mode.
4. The program will scan your Windows registry and recover product keys for Windows, Office and many other software you’ve activated.

If by any chance, you’ve lost your Windows 7/Vista/XP/2008/2003/2000 product key, no need to worry, Product Key Finder can recover it for you. Additionally, Product Key Finder can also recover CD keys for many other applications such as Microsoft Office, SQL Server, VMware, Adobe Reader, etc. It’s very useful when you are going to reinstall or repair your Windows or Office setup but find you’ve lost the keys.