FIX: This Product Key Cannot be Used to Install a Retail Copy of Windows

FIX: This Product Key Cannot be Used to Install a Retail Copy of Windows

Follow the instructions given below to find out how to quickly solve this problem and get your Windows 8 or Windows 10 to work again.
Usually the message “This product key can not be used to install the retail copy of Windows” appears when you try to install the Windows 10 operating system on the new device may be newly purchased. So, if you want to use the retail version of the operating system, you can easily do this in a few minutes of your time.

EXERCISE: This product key can not be used to install the retail copy of Windows

You will first need a copy of the retail ISO Windows 8 or Windows 10.
Note: This is a copy of the operating system should be the same version as the original one that you use on a laptop or desktop (Example: Professional 64-bit or others).

Installing the ISO file to a bootable DVD or CD.


Restart the operating system and boot from your DVD.
  • You will need to install Windows 8 or Windows 10 on a DVD using generic keywords.

Note: You can see on the Microsoft website exactly where you can find a generic key for your device, or you can just Google to write the full name of the version of Windows and is followed by the “generic key” words.

  • Once your Windows 8 or Windows 10 installed, you will need to left click on the “Start” you have on the bottom left side of the screen and left click on “Admin Command Prompt” icon to open it.
  • Note: It is very important to open a command prompt window with administrative privileges.
  • In the Command Prompt window, you have to write “slmgr / UPK” without the quotes.
  • Press “Enter” on the keyboard.
  • This command will delete the key you type a generic product of the system.
  • Download “RW Everything” by following the link below.
  • Download here RW Everything
  • After you download and install the “RW Everything” app, you’ll need to open it by double clicking on the executable file.
  • Left click or press the “ACPI” of the application.
  • Now left click or tap on the tab “HRM” is located at the top of the window.
  • You’ll need to copy your key located under the “Data”.
  • Reopen the “Admin Command Prompt” window as you did above.
  • Write in the command prompt window the following line “SLUI 3” without the quotes.
  • Press “Enter” on the keyboard.
  • In the newly opened window, you’ll need to paste or write the key you got from the program “RW Everything”.
  • After performing the steps above, you will see now that you are the key has been activated and you can use the Windows 8 or Windows 10 that you want.

A short note: Microsoft Scouring forums, we noticed that a lot of users who purchase OEM laptop complained about this problem. Keep in mind that if the embedded OEM keys, you can not use it on another PC. In other words, you can not transfer OEM key from one PC to another.

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