Download, Install and Activate Office Setup Online | Office.com/setup
Download Office Setup
After the uninstallation, just go to www.office.com/setup, input the activation code and click on the Submit button. You will have to input the MS Office account details for completing the process of installation. After that, you have two options. First, you can log in using any existing Microsoft Account. Second, you can set up a new account.
Install Office Setup
First, you can log in using any existing Microsoft Account. Second, you can set up a new account. Now, you need to pick the language for installation and country from their respective drop-downs. Click on the Install button. The installation process may last a while depending on the internet and device speed.
Activate Office Setup
Open any one of the recently installed MS Office programs such as Publisher, OneNote, etc. Allow the MS Office Activation Wizard window to appear. Input the 25 characters alphanumeric product activation key in the box. Click on the Next button.
Reinstallation Office Setup
Power on the device. Head to office.com/setup. Log in to the Microsoft account. Download the Microsoft Office setup Install it on the new device. Locate the product key. Activate the product using the activation code.