1-Go to Office.com/setup and log in your Microsoft Office account 2-Once you’re signed in – Go to the subscription plan you have purchased 3-If you don’t have an existing account, then create an account and sign in. 4-Once your’re successfully signed in your office account. The software will start downloading the moment or you will be asked to enter your Office setup product key 5-Once the download is complete, go to the finder and type “Office Setup” to find the downloaded file 6-Double-Click the Office Setup.exe file and choose office setup to trigger the installation process 7-Install the Office Setup suite by following the onscreen instruction 8-Once the installation is completed, proceed to the activation of your Office setup product key 9-Enter your 25 digits alphanumerical characters product activation key an click “Submit” to activate the program on your device 10-Congratulations, Microsoft Office Setup is successfully activated on your device via office.com/setup