with your Microsoft account (Outlook, Hotmail, or Live). If you don't have one, create a new account. Enter your 25-character product key without hyphens. Select your Country/Region and Language , then click Next .
Accept the license agreement. Your software is now ready to use. Troubleshooting Tips 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. with your Microsoft account (Outlook, Hotmail, or Live)
Before downloading the software, you must associate the 25-character key with your Microsoft account. Go to office.com. Select your Country/Region and Language , then click Next
You do not need to enter the product key into the apps themselves. Activation happens via your login. Open any Office app (like Word or Excel).
: If you have an old version of Office on your computer, uninstall it first to prevent activation conflicts.