step 1: Go to http://setup.office.com

 

step 2: Sign in with your Microsoft account or create a new Microsoft account

                        Schermafbeelding_2018-11-01_om_14.56.50.png

step 3: Enter your product key (you can find this in your inbox or in your account under my licenses)

                        Schermafbeelding_2018-11-01_om_14.57.24.png

step 4: Choose your language

                       Schermafbeelding_2018-11-01_om_15.05.05.png

                           

step 5: Download the installation