The product key in Windows 10, as in earlier versions of this operating system, is a 25-digit code consisting of letters and numbers that is used to activate the system. It can be useful to the user during the OS reinstallation process, so losing the key is a rather unpleasant event. But if this happened, you should not be very upset, since there are ways with which you can find out this code.

Ways to view your Product Key in Windows 10

There are several programs with which you can view the Windows 10 OS activation key. Let's consider some of them in more detail.

Method 1: PowerShell

You can also find out the activation key with the built-in tools of Windows 10. For this we need to use PowerShell.
  1. You need to hold down "Win + R" and in the "Run" window enter powershell, and then click OK.
    Starting PowerShell using the "Run" utility.
  2. In the window that opens, enter the following command and press "Enter":
    wmic path softwarelicensingservice get OA3xOriginalProductKey
    View product key using PowerShell

Method 2: Speccy

Speccy is a powerful, convenient program, the functionality of which involves viewing complete information about the operating system. You can also use it to find out the product key with which your system was activated. To do this, follow these instructions.
  1. Download the application from the official website and install it on your PC.
  2. Open the program and in the main menu go to the "Operating system" section, and then look at the information in the "Serial number" column.
    View product key using Speccy

Method 3: ProductKey

ProduKey is a small utility that does not require installation. You just need to download it from the official website, run it and view the information you need. Unlike other programs, ProduKey is designed only for displaying activation keys and does not overload users with unnecessary information.
ProductKey main window

Method 4: Windows OEM Product Key Tool

Windows OEM Product Key Tool is another utility with which you can find out the Windows 10 product key. Unlike other programs, you do not need to install it, you just need to download this application from the official website and run it.
View product key using Windows OEM Product Key Tool
I would like to draw your attention to the fact that method 1 and 4 only work on computers and laptops with Windows 10 preinstalled by the manufacturer. In this case, the OEM key is stored in BIOS/UEFI.