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➡️GET STARTED HERE

Most Microsoft 365 setup issues come down to the product key, the account you signed in with, or the internet connection. Find your problem below for a quick fix.
  • Check for look-alike characters such as B and 8, or O and 0.
  • Make sure the key hasn’t already been redeemed. If it has, sign in with the account that redeemed it.
  • Confirm the key was purchased from a trusted retailer.
  • Use a stable, wired or strong Wi-Fi connection.
  • Restart your device and run the installer again.
  • Temporarily pause VPN software during installation.
Go to File > Account, sign out, then sign back in with the account that owns your subscription. Check that the subscription is active at account.microsoft.com/services.
Use the Forgot password? link on the Microsoft sign-in page to reset it.
Make sure you’re signed in with the account that holds the subscription and that the subscription is active.
Still stuck? Contact official Microsoft support at support.microsoft.com.
Disclaimer: This is an independent help guide and is not affiliated with, endorsed by, or sponsored by Microsoft Corporation. Microsoft, Microsoft 365, Office, Word, Excel, Outlook, and related names and logos are trademarks of Microsoft Corporation. All setup links point to the official Microsoft website. Never share your password, product key, or payment details with anyone who contacts you claiming to offer setup help. For official support, visit support.microsoft.com.