To install Microsoft 365,

 sign in to Microsoft 365 with your associated account.
On the homepage, select Install apps ->
 Install Microsoft 365 apps. Open the downloaded setup file from your browser or downloads folder to complete the installation.
Follow the step-by-step installation instructions for your PC or Mac below:
1. Download and Run the InstallerSign In: Go to the official Microsoft 365 Portal and log in using the Microsoft Account, or work/school account, tied to your subscription.Initiate Download: Locate and click the Install apps (or Install Office) button.Run Setup: Once the Setup.exe (PC) or .pkg (Mac) file downloads, open it and select Yes to allow the app to make changes to your device.
2. Complete InstallationThe installer will automatically download the necessary files and install the applications in the background.Do not close your browser or disconnect from the internet while the installation progresses.Once the progress bar finishes and you see the message "You're all set!", you can close the installer.

3. Sign In and ActivatePress the Start button (Windows) or open Finder (Mac) and locate your new apps (Word, Excel, PowerPoint, etc.).Open any application (e.g., Microsoft Word) and select Sign In.Enter the email and password associated with your Microsoft 365 subscription to activate the software.For a clear, step-by-step visual walkthrough of how to download the setup file from your Microsoft account, run the installer, and locate your new productivity apps: