1. Go to Start (bottom left) -> Settings -> System -> Activation -> Update product key -> Change product key
2. In the window that opens, copy the 25-character code provided in the email.

1. Go to Start (bottom left) -> Settings -> Update & Security -> Activation (left side)
2. On the Activation page, click on the "Change product key" button.
3. In the window that opens, copy the 25-character code provided in the email.
4. Click on Activate and wait a few seconds.

  1. Go to the official Microsoft website -> CLICK HERE
  2. Download Windows Media Creation tool -> Create installation media
  3. Select Windows 10 – 32/64 bits of your choice -> Next.
  4. USB /ISO depending on the device from which you want to install the windows USB stick / DVD
  5. At the beginning of the installation process, you will have to choose the version of Windows. Choose the version as appropriate: Pro, Home, Enterprise, etc., then you will be asked for your license. Skip entering it yet and skip connecting to the Internet for the moment (these things significantly shorten the installation time).
  6. After installation, activate your license according to the steps above ("Activation instructions").

Below you will find a video tutorial presenting in detail the installation of the operating system using a USB stick.