Step 1 : Go to www.office.com and if you're not already signed in, select Sign in.
Step 2 : Sign in with the account you associated with this version of Microsoft 365. This account can be a Microsoft account, or work or school account.
Step 3 : After signing in, follow the steps that match the type of account you signed in with. 
Step 4 : From the home page select Install Office
Step 5 : This completes the download of Microsoft 365 to your device. To complete the installation, follow the prompts in the "Install Microsoft 365" section below.
Step 6 : Depending on your browser, select Run (in Microsoft Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
If you see the User Account Control prompt that says, Do you want to allow this app to make changes to your device? select Yes.
The install begins.
Step 7 : Your install is finished when you see the phrase, "You're all set! Office is installed now" and an animation plays to show you where to find Microsoft 365 applications on your computer. Select Close.
Step 8 : To open an Microsoft 365 app, select the Start button (lower-left corner of your screen) and type the name of an Microsoft 365 app, like Word.
When the Microsoft 365 app opens, accept the license agreement. Microsoft 365 is activated and ready to use.
