How to find Windows product key

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You are about to reinstall Windows or reinstall Office but you are wondering and stuck do not know how to get back the SINGLE key that you paid for the purchase before. Or are you experiencing Windows problems, you can not boot into Windows and now you want to reinstall the computer?

Actually, it is true that for machines that are using genuine Windows, they have to spend millions of dollars to buy one key to activate a computer, but now lose it. too. So how to review the KEY activated on your Windows or Office suite? The answer will be answered in this article, I will share with you the best tips and software, the most effective for you to manipulate.

How to find Windows / Office key?

Note: For Windows 10, the mechanism to activate, upgrade from the old version to the new version is much easier, and for those of you are intending to upgrade from Windows 7 to Win 10 or upgrade from Windows. 8 / 8.1 to Windows 10, then you can do it this way: How to install new Windows 10 and still retain the copyright?

1. Use the software to view the Windows and Office enabled key

I encourage you to use this tool because it is very fast and accurate, and does not require installation when used. The tool I’m talking about is ProduKey, you can download at the following address:

After downloading you also extracted and run ProduKey.exe file, immediately the copyright information will appear like this:

Okay, then to save the key information, you click on File => select Save Selectd Items to save the file format * .txt is done.

How to get windows key when not boot into the computer?

Yes! One question is many. And often when Windows error occurs, users begin to twist to find ways to reinstall windows as well as how to get back his license key. But you peace of mind, all will be resolved in the following 😛, in case you do not boot to win then do the following to retrieve the key activated for Windows or Office offline.

+ Step 1: Create a usb boot then access the Mini windows. Generally no matter how you do it, as long as you get to the mini windows is okay. And note that you copy the ProduKey software that you just downloaded to the USB for a short time we also use offline.

+ Step 2: Open ProduKey and select File => Select Source or press F9 shortcut.

Step # 3: Please select the option to load the product keys from external Windows directory => click Browse .. => select the partition containing the operating system you want to retrieve key => select the Windows directory => click on OK => OK to perform. Please do as in the picture below.

Step 4: View the results, save the key Windows and key Office to reinstall the win then use offline.

2. Use the Belarc Advisor software

This way I find it very good, first download the software Belarc Advisor (Link back) before. Next run the advisoristall.exe file under Administrator (right-click select Run as adminstrator).

A dialog box appears asking you to temporarily disable the antivirus software before proceeding. Please temporarily turn off offline, peace of mind is clean software I have carefully tested it. Then click Continue Installing Belarc Advisor to proceed.

In the next steps, proceed as usual, and wait for the data to be extracted.

OK, after extracting the Windows key and the software available on your computer, it will pop up a browser window as shown below. Click License Software to view Windows / Office key ….

Yes and this is the result we get, very detailed and specific 😀

3. Get the Windows activation key without using the software

To get the lost Windows key, we have a lot of ways, but to be simple and no need to use a third tool or software then you create a *. Vbs file to get key nhé. Download the program (Pass decompression is:

Once downloaded, unpack the file and just double click on the key.vbs file that will immediately appear the key that you activated Windows before.

Note: If you are using Google Chrome or CocCoc web browser, it may be a malicious code, but it is normal and clean. In case of not load, you use IE or FireFox web browser to download offline. Or you can make the key.vbs file as follows:

Open the Notepad editor or the Notepad ++ software and copy the following code. Save with any name ending in .vbs, for example, key.vbs.

Set WshShell = CreateObject(“WScript.Shell”)
MsgBox ConvertToKey(WshShell.RegRead(“HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\DigitalProductId”))
Function ConvertToKey(Key)
Const KeyOffset = 52
i = 28
Cur = 0
x = 14
Cur = Cur * 256
Cur = Key(x + KeyOffset) + Cur
Key(x + KeyOffset) = (Cur \ 24) And 255
Cur = Cur Mod 24
x = x -1
Loop While x >= 0
i = i -1
KeyOutput = Mid(Chars, Cur + 1, 1) & KeyOutput
If (((29 – i) Mod 6) = 0) And (i <> -1) Then
i = i -1
KeyOutput = “-” & KeyOutput
End If
Loop While i >= 0
ConvertToKey = KeyOutput
End Function

How to recover Windows and Office licenses?

– For Windows

Step 1: Copy the Data.dat and tokens.dat files in the 2.0 directory under the following path: C: \ Windows \ System32 \ spp \ store \ 2.0.

Note: If you do not see the store folder offline.

+ Step 2: You reinstall the previous version of Windows already used.

Step 3: Copy the two data.dat and tokens.dat files that were backed up in Step 1 to C: \ Windows \ System32 \ spp \ 2.0. Hey!

Also copy the data.dat files to the path: C: \ Windows \ System32 \ spp

Step 4: Re-enter the key that you used to activate Windows and Office last time. You can manually enter through the activation window on Windows, Office.

Or you open the cmd window with admin rights: (see instructions)

For Windows XP and Windows 7, click on Start => enter cmd into the search box => a list of results appears, right click on the cmd.exe file and select Run as adminstrator.

For Windows 8 and above, you just press the key combination Windows + X and select Command Prompt (Admin) is complete.

Enter this command:

slmgr / ipk “your key” => hit enter to make!

+ Step 5: Restart the computer and receive the license

– For Office

To restore your copy of Office, follow these steps:

+ Step 1: Install the Office version that you previously installed for your computer.

Step 2: Access the Control Panel (View by Category is easy to find) => select Programs and Features. If it’s Windows 8 and 8.1, you can open it quickly by pressing Windows + X and selecting Programs and Features.

Okey, click here select MS Office => click on Change as shown below.

In the window that appears, enter the Enter a Product Key and click Continue.

Enter your key and click on Continue to complete.

Step 3: Copy the store folder that you backed up to C:\Windows\System32\spp\ and restart the computer to apply.

To check if your Office has been activated successfully, open MS Word and select File> Account. You see the information in the Product Information if it is Product Activated, it means that Office is already active.


So I have detailed instructions for you 3 ways to get the license key Windows XP 7/8 / 8.1 / 10 and the key of Office software has activated on the computer then. Now that you can safely use, not worry about copyright even if you do not go to Win, then we still have a way to get back. The trick is simple but very useful right?

Hope the article will be useful to you, wish you success!

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