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    To change the product key without first activating Windows, use one of the following methods:

    Method 1

    1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
    2. In the search box, type Slui 3.2917616
    3. Tap or click the Slui 3 icon.2917617
    4. Type your product key in the Windows Activation window, and then click Activate.

    Method 2

    1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
    2. Type Command Prompt in the Search box.
    3. Right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
    4. Run the following command at the elevated command prompt:
      slmgr.vbs /ipk <Your product key>