How do I install MS office suite On My PC?

I am a professional techie and using a computer system for various computing tasks. I need a Microsoft office suite for various tasks such as MS word, and Excel. I want to install MS office suite from office.com/setup on my computer system, but I don’t have sufficient experience to install MS office suite on my computer system. So, I am into a big technical trouble, so I am looking for a technician’s help for the installation process. Can you recommend the easy steps for the installation process of MS office suite? Please share your easy steps here.