Do you have a product key? If you have a product key for Office 2013 be sure to redeem it first. (Not all versions of Office include a key, see an example key.) To redeem, go to www.office.com/setup or office.com/setup, sign in with an existing Microsoft account or create a new one. Next, enter your product key and then follow the remaining setup steps to link your account to Office. You're now ready to install the latest version using the steps below.
Go to www.office.com/signin and sign in with the Microsoft account, or the work or school account you use with Office.
Select Install Office when promted.
Depending on your browser, click Save, Run, Setup, or Save File from the bottom of your screen.
Open Finder >Downloads. Double-click Microsoft_Office_365_Installer.pkg.
Want to reinstall or install Office on another computer? Go back to Step 1. Still having trouble installing? Try using the Step-by-step instructions below.
The following steps includes instructions for installing or reinstalling Office in a different language, and installing the 64-bit version of Office on a PC. (Office 2016 for Mac only installs a 64-bit version).
The steps below differ if your Office product is part of an Office for home or Office for business plan so select the correct tab for your product.