For PC Sign in to download Office
Go to www.office.com and if you’re not already signed in, select Sign in.
Sign in with the account you associated with this version of Office. This account can be a Microsoft account, or work or school account. I forgot the account I use with Office
After signing in, follow the steps that match the type of account you signed in with.
This completes the download of Office to your device. To complete the installation, follow the prompts in the “Install Office” section below.