Pre-installed copies of Office may come with a product key, or it will activate over the Internet with no product key being required. If the product key is not required, please note that this is a limited time offer and expires six months after you activate Windows. The expiry date will be shown as below.

This limited offer will expire.

To find out if you need a product key, please follow these steps below:

  1. On Windows 8.1 or Windows 10, choose Start.
  2. Scroll down through your apps and choose Microsoft Office – the tile with the Office logo.
  3. In the window that opens, choose Activate.
  4. Do one of the following:
    • If you are asked to sign in with your Microsoft account, that means you do not need a product key. Proceed to the next step below and enter your Microsoft Account.


    • If you are asked to enter a product key, this means a key was included with your purchase. Look for it on your Certificate of Authenticity or a card in the packaging. If you cannot find it, contact your reseller. The key uses a combination of 25 letters and numbers and looks like this: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.

      Enter your key in the space provided.

  5. Sign in with your Microsoft account to activate the Office product that came with your device.

Sign in with an active account instead.

If you do not have a Microsoft account, select Sign up now and follow the prompts to create an account; or follow the steps to Create an account.

Log in with your Windows account. -

Remember this email address!

This Microsoft account email address and password are now associated with your copy of Office, and you will always use this account to sign in to the My Office Account page ( to install or reinstall Office, or to choose custom install options.

To activate Office, enter the email address that's associated with your Office subscription. -

Internet access required

You need to be connected to the Internet to activate the Office product. If you are connected to the Internet and see the below error message, click the Help button to run the Network Troubleshooter tool. This tool will assist in determining the cause of your Internet connectivity issues.

Please connect to the Internet so we can set up Office. -

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