To download Microsoft 365 after purchasing it, go to  Office.com/setup and sign in with the Microsoft account you used for the purchase. On the Office.com homepage, click on “ Install Office” to download the setup file. Once the download is complete, run the installer and follow the on-screen instructions. After installation, sign in again to activate your Microsoft 365 subscription automatically through Office.com/setup.
 
Step by Step - Download Microsoft 365 If You've Already Purchased It
 
Follow these steps to download Microsoft 365 after your purchase:
 
1. Go to Office.com
 
 
2. Sign in with Your Microsoft Account
 
  • Use the same Microsoft account you used to buy Microsoft 365.
  • This ensures your subscription is recognized and linked.
 
3.Click on “Install Office”
 
  • Once signed in, locate and click the Install Office button on your dashboard.
 
4.Download and Run the Installer
 
  • The setup file will download (usually named OfficeSetup.exe).
  • Open the file and follow the installation prompts.
 
5. Activate Microsoft 365
 
  • After installation, open any Office app like Word or Excel.
  • Sign in again if prompted — your subscription will activate automatically.