Installing Microsoft 365 (formerly Office 365) with a product key is a straightforward process that links the license to your personal Microsoft account. Once linked, you don't need to enter the key again to reinstall the software. 1. Redeem Your Product Key
In the window, enter the email and password you used in Step 1. Microsoft Office 365 Install With Product Key
: If you see this message, the key was likely already redeemed. Check your Services & Subscriptions page to see if the product is already listed. Installing Microsoft 365 (formerly Office 365) with a
: Open the .pkg file from your Downloads folder. Follow the installation wizard prompts, enter your Mac's admin password, and wait for the "successful installation" message. 4. Activate the Apps Redeem Your Product Key In the window, enter
After redemption, you will be redirected to your Microsoft account dashboard. Navigate to the Services & Subscriptions page. Locate your Microsoft 365 product and select .
Before downloading the software, you must associate the 25-character key with your Microsoft account. Go to office.com.