Download Office 2016
Click Install Office 2016.
How to install other versions
Click on the Other Installs under the Install Office 2016 button.
You will be presented with the option to install other versions of Office. MS Office 2016 32-bit is the recommended version. Depending on your PC, you will have to select either 32-bit or 64-bit version.
Once you have selected your desired version of Office 365, click the "Install" button. A setup manager will begin downloading. Follow the prompts to complete the process.
Restart your computer to see the changes you have made.