After installing Windows 7, you will be prompted to enter a valid product key to activate the operating system. If you don't choose to activate, you will keep getting "Activate Now" message every day or even every 4 hours. Either way, as many reasons there are, there are some workable ways to reveal the Windows product key yourself. Now let's take a look at how to easily find windows 7 product key, cmd or key finder.

Method 1: Find Windows 7 Product Key in Registry

There are different reasons why you wanted to find your Windows 7 product key. Maybe you forgot it and simply wanted to find it back. Or you would like to reinstall your current Windows 7 operating system. Normally, this product key is saved in the Windows registry. So you can open Windows 7 view product key in registry and help retrieve this information if you've accidentally lost the packaging.

Step 1: Click on the Windows Start button located at the left bottom of the screen and select Run. Then type regedit into the run window and press the OK button. Then the Registry Editor will open.

find windows 7 product key in registry

Step 2: Navigate to "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData" all the way in the Registry Editor and press Ctrl + F keys to locate "ProductID" key.

locate windows 7 product key

Step 3: Right-click the ProductID key and select Modify. View the number displayed. This is your product key for Windows 7 you are finding.

Method 2: Find Windows 7 Product Key from Command Prompt

In addition to taking advantage of register editor, you can also check windows 7 product key using command prompt. To do so,

Step 1: Press Windows Key + R, and then type CMD in the search box.

find windows 7 product key cmd

Step 2: Now type or paste the following code in the cmd and hit Enter to see the result.

wmic path softwarelicensingservice get OA3xOriginalProductKey.

Step 3: The above command will show you the product key associated with your Windows 7.

Step 4: Note down the product key in a safe place.

Method 3: Find Your Windows 7 Product Key Using Windows 7 Key Finder

If Windows 7 product key is lost and can't be found on the above place, PassFab Product Key Recovery can help you recover the lost product key of installed Windows system and provides you with a way to quickly and easily archive them. This is a product key finder that is able to figure out your activation key for Windows 10,8.1,8,7,XP,Vista, Microsoft Office 2013,2010,2007, Internet Explorer, SQL Server and more.

Here is the video guide about how to find Windows 7 product key with this product key finder:

To get started you need to download and install the latest version of PassFab Product Key Recovery. Then follow these steps:

Step 1. Double click its icon on desktop to launch it.

Step 2. Then click "Get Key" on the central bottom. Windows 7 product key and registration code for other programs are displayed. You can check Windows 7 product key now.

find windows 7 product key

Step 3. After that, hit "Generate Text" to generate a text for them in case you need to find Windows 7 product key again.

save windows 7 product key

Bonus Tips: How to Activate Windows 7 to Get Free Windows 7 Product Key

After getting Windows 7 licence key, you need to activate your Windows 7. How to use Windows 7 product key for free activation? Here is a simple guide.

Step 1. Click the Windows button and right click on Computer to choose Properties.

Step 2. A system window will pop up informing you to activate Windows now.

activate windows 7 now

Step 3. Click "Activate Windows now" on Windows Activation page and wait for while, you will be asked to provide a 25-character product key for activation.

type windows 7 product key

After that, the process of verifying the product key will start. Once the product key is verified, you can see a message saying Activation was successful.


With these 3 methods, I believe you have learned how to check Windows 7 product key when you can't remember what the product key is. By the way, if you forgot Windows 7 administrator password after activating the system, and would like to bypass it, 4WinKey may be your better choice. At last, if you still have any questions regarding this guide or other related Windows problems, just feel free to leave your comments in the comment section.

PassFab Product Key Recovery box
  • Find Windows 10/8.1/8/7/Vista/XP Product Key
  • Recover Microsoft Office 2013/2010/2007/2003 License Key
  • Retrieve Serial Key from Other Products, like Internet Explorer