Which version of Office for Mac do you want to install
Next you'll enter your product key
If you bought Office online, the product key should be in your email receipt, check your junk mail folder.
If you bought a box or card, the product key should be in the packaging.
Download Office Mobile from Google Play
After you install, sign in with a Microsoft account to create or edit documents for free. To unlock full Word, Excel, and PowerPoint experiences, you'll need an Office 365 subscription.
Next we'll take you to your account page
On your account page, click install.
If you're prompted, sign in with the email and password that are associated with Office.