How to Install and activate MS Office Setup

Microsoft Office is a widely used suite that includes applications, servers and services. Today, we have a number of Office versions available for both Windows and Mac users. You can choose any Office subscription according to the needs of your home and business PC. To get complete access to any of the Office version, you need to first purchase it and then do the following:
  • Download
  • Install
  • Activate

Before you download and install Microsoft Office Setup, make sure that you don’t have any other version already installed on your device. If you have one, then uninstall it first in order to avoid any kind of software conflict. The steps for the same are as follows:

Steps for uninstalling Office Setup

Uninstallation of Office setup depends solely on its installation type. So, it is necessary to know the type of installation in order to choose the correct way of uninstallation.

  • Click-to-Run: It is the latest method of installing and updating Office over the internet. By default the latest version of Office along with most of the one-time purchase of Office products installed by this method only.
  • MSI:  Microsoft Windows Installer is an old method of installing Office setup through a local installation resource

To check your Office setup installation type, do the following:

  • Open the Office application
  • Open File -> Account or Office Account
  • If there is “Update Options” available, it means you have Click-to-Run installation and vice-versa

In case of click-to-run, before you remove or uninstall the Office setup, log in your Windows account with your administrator account. Then follow these steps:

  • Remove the Windows Installer packages
  • Remove the Office scheduled tasks
  • Use Task Manager to end Click-to-Run tasks
  • Delete the Office services
  • Now, remove the Office files
  • Remove Office Registry subkeys
  • Now, remove Start menu shortcuts
  • Uninstall the Office Click-To-Run Licensing Component, Extensibility Component and Localization Component

In case of MSI type installation, make sure you are able to view the hidden folders and files before moving towards the uninstallation of Office setup. Then follow these steps:

  • Remove any remaining Windows Installer packages of Office
  • Halt the Office Source Engine Service
  • Delete Office installation folders and files
  • Now, remove the registry subkeys for the Office system

Steps for downloading Office Setup

You can download the MS Office setup by two ways:

  • Online via
  • Sign in your Microsoft account
  • Under Office subscriptions, find your subscription
  • Click download
  • CD from the retailer
  • Insert the CD in the CD/DVD drive
  • Follow the on-screen instructions to download your Office product

If you purchase Office online, then you will get an Office setup product key that will be used during the installation process. This product key will be sent in an email on your registered email ID. In case of offline purchase, this key is mentioned behind the Office retail card given with the Office product.
Steps for installing Office Setup

  • Open the MS Office setup and enter the Office setup product key (the one you got during purchase)
  • Log in your Microsoft account at
  • If you already logged in then confirm it at
  • New users can select register to create a new Microsoft account
  • Click install followed by the other on-screen instructions to complete the installation process

Steps for activating Office Setup

  • Once you are done with the downloading and installation, go for activation
  • For this, click on the Microsoft Office icon and you will be prompted to an Office Activation Wizard
  • Enter the office setup product key, if required
  • Follow the on-screen instruction to finish the activation process

Steps for reinstalling Office Setup

For reinstallation of your Office Setup on the same device or some other device, you simply have to uninstall the Office setup from the device, you no longer want to use. Now, follow the below mentioned steps:

  • Open your new device and login your Office account
  • Download your already purchased subscription that you were using on the old PC
  • Now, install the setup and enter the old product key
  • It will be install on your new device