Find and install your Microsoft downloads from Microsoft Store – Microsoft Support

Microsoft 365 purchased online directly from Microsoft

If you buy Microsoft 365 as a digital download from us, there is no product key. Follow the below instructions to install it.

  1. Go to Services & subscriptions. Sign in if prompted.

  2. Find your Microsoft 365 purchase, and select Install.

  3. The wizard installs Office in the background. You can keep working and even start using Office before installation is complete, but make sure your PC stays on and connected.

You can also install Microsoft 365 by going to the confirmation email for your order and selecting Install Office.

Microsoft 365 purchased as a pre-paid card from a retail store

If you have an unopened pre-paid card for Microsoft 365, follow the instructions on the back of the card to reveal the product key and redeem and install Microsoft 365.

If you have already redeemed Microsoft 365 from your pre-paid card, follow these instructions to install Office.

  1. Go to Services & subscriptions. Sign in if prompted.

  2. Find your Microsoft 365, and select Install.

  3. The wizard installs Office in the background. You can keep working and even start using Office before installation is complete, but make sure your PC stays on and connected.

Get more info about installing Office

Get more info about using product keys with Office