Your Windows product key will be displayed as shown.
If you have the product key, you can enter it at this point and your Windows license will be activated, however, if you don't have the product key, you can select I don't have a product key and move onto the next step, where you'll have to accept the terms and conditions of Microsoft's software license. Windows will now ask you for a product key. Simply download and run OEMkey.exe and it immediately displays the Windows 10 OEM. If you a laptop or desktop with OEM-embedded serial key then this utility is for you. As the name suggests, the tool is designed to find the product embedded right into your BIOS or EFI by your manufacturer, known as OEM license.
Windows 7 Professional Product Key ( 32 bit ) 24437-XVJQQ-F36R3-7HM2B-RXTCX.