You can download the MS Office Setup with these steps:
Type in your browser’s search bar, the link office.com/setup and click on enter.
There you will see a wide range of MS Office products when the page loads up.
You need to tap on the “Shop Products” option and from the drop-down menu, select the package that you need for your system.
In case you are unable to figure out your required MS Office setup, you can use the search bar located there for finding your required product.
Before you purchase the setup, you need to sign in to your account, and then you can make the payment for your respective package by clicking on the "Shop Now" button. If you are a new user, you need to create your account by clicking on the signup option.
Also, make sure to check if the package you are buying is fully compatible with your system or not. After checking for all the requirements, add Office Setup in your cart.
After adding the setup in your cart, you need to click on "Buy and Download Now."
Once you click on buy and download now option, you will receive a download link from Microsoft in a while.