Office Activation Guide (

How to activate, download and install your new Office product using a product key.

  1. Sign in or create Microsoft account

    Sign in to microsoft account

    Go to, sign in using your existing Microsoft account, or create a new one.

  2. Enter your key

    Redeem microsoft code

    Check the account shown after “It’ll be added to” is the one you want the product linked to, it cannot be changed afterwards.

    Enter your 25 character CD key (shown on your order page), click next. 

    If you see an error saying “This product key has already been used“, skip to step 4 of this guide and continue from there.

  3. Confirm and redeem the key

    Redeem microsoft code confirmation

    Check the product listed after “Here is what you get” matches the product you purchased.

    Click confirm to redeem the key and link it to your Microsoft account.

    Select Confirm to agree to the Microsoft Services Agreement. Microsoft will immediately provide you with full access to your software after you complete this redemption. There are no refunds past this point due to the key being permanently linked to your Microsoft account.

  4. Download

    Microsoft services & subscriptions

    Go to the Services & subscriptions page of your Microsoft account, you will see the product you just redeemed listed.

    Click the install link next to the product to download the installer.

  5. Customize the installer

    Download office

    Choose the language and version you wish to install (default is recommended) and click Install to download the installer.

  6. Uninstall existing Office suites

    Before installing your new Office suite you should fully uninstall any old Office suites on your computer. Old Office suites are known to cause conflicts with a new installation, so it is best to remove them at this stage.

    Links to the Microsoft uninstall guides:

    Uninstall Office on Windows PC
    Uninstall Office on Mac

  7. Install Office

    Installing office

    Run the Office installer file that was downloaded to your computer (most likely in your downloads folder) and follow the on-screen instructions.

    If you get an error message saying “Sorry it looks like you’re on a slow connection…”, Office is taking a really long time to install, or it appears to hang during the install, you may want to cancel the installation and start it again.

  8. Install complete

    Office installed

    Your install is finished when you see “You’re all set! Office is installed now”, an animation sometimes plays showing you where to find the Office applications.

  9. Sign in to set up Office

    Sign in to set up office

    Upon opening an Office App for the first time you will be asked to sign in to your Microsoft account, sign in to the same account you used in step 1 as this is the account the license is tied to.