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How to do Microsoft Office 365 setup with product key?

Setting up Microsoft Office 365 with a product key is a straightforward process that ensures access to its full suite of productivity tools, including Word, Excel, PowerPoint, and Outlook. The product key, a unique 25-character alphanumeric code, serves as the activation mechanism to verify your license and link it to your Microsoft account via office.com/setup. Whether purchased online, at retail stores, or pre-installed on devices, entering the product key at the official setup portal allows users to seamlessly download, install, and activate Office 365 for personal or professional use.

Steps to Set Up Microsoft Office 365 with a Product Key

  1. Visit the Setup Page
    Go to www.office.com/setup or www.microsoft365.com/setup.
  2. Sign In to Your Microsoft Account
    Log in using your Microsoft account credentials. If you don’t have an account, create one.
  3. Enter the Product Key
    Input your 25-character product key when prompted. Ensure you enter it accurately.
  4. Associate the Key with Your Account
    Follow the on-screen instructions to associate the product key with your Microsoft account.
  5. Download and Install Office
    After activation, select “Install Office” or “Microsoft 365 Apps” from the setup page.
    Download the setup file and run it to install Office on your device.
  6. Activate Office
    Open any Office application (e.g., Word or Excel). Sign in with the same Microsoft account used during setup to complete activation.
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Last modified: 2025-06-05Powered by