If you need to install Microsoft Office 2021 Professional Plus on a computer without a stable internet connection, using the offline installer is the best option. This method allows you to download the full installation package and perform the installation without needing an active internet connection. Follow these steps to download the offline installer for Office 2021 Professional Plus:

1. Obtain Your Product Key

Before downloading the offline installer, ensure you have a valid product key for Office 2021 Professional Plus. You can find this key in your purchase confirmation email, on the packaging if you bought a physical copy, or through your Microsoft account if you purchased it online.

2. Visit the Official Microsoft Website

To download the offline installer, you need to access the official Microsoft website:

3. Sign In to Your Microsoft Account

To access the offline installer, you need to sign in with your Microsoft account associated with your Office 2021 Professional Plus purchase:

  • Click Sign In: On the Microsoft Office download page, click the Sign In button.
  • Enter Credentials: Log in with the Microsoft account used to purchase Office 2021 Professional Plus.

4. Navigate to the Office 2021 Download Page

Once signed in, follow these steps to find the offline installer:

  • Select Your Product: Choose Office 2021 Professional Plus from the list of products.
  • Click Download: Look for the option to download the offline installer. It may be labeled as Offline Installer or Download for Offline Installation.

5. Choose the Installation Language and Version

Before initiating the download, select your preferred language and version:

  • Select Language: Choose the language you want for your Office installation.
  • Choose Version: If applicable, select the version (32-bit or 64-bit) that matches your system requirements.

6. Download the Offline Installer

Begin the download process:

  • Click Download Button: Click the Download button to start downloading the offline installer package.
  • Save the File: Choose a location on your computer to save the installer file. The file size may be large, so ensure you have sufficient disk space.

7. Prepare for Installation

Once the download is complete, you are ready to install Office 2021 Professional Plus:

  • Locate the Installer: Find the downloaded offline installer file in the location where you saved it.
  • Verify System Requirements: Ensure your computer meets the system requirements for Office 2021 Professional Plus.

8. Install Office 2021 Professional Plus

Run the offline installer to begin the installation process:

  • Run the Installer: Double-click the installer file to launch the setup program.
  • Follow Installation Prompts: Follow the on-screen instructions to complete the installation. Enter your product key when prompted to activate your copy of Office 2021 Professional Plus.

9. Activate Office 2021 Professional Plus

After installation, activate your Office suite:

  • Open Office Application: Launch any Office application, such as Word or Excel.
  • Activate: Enter your product key if required and follow the activation prompts.

10. Update Office (Optional)

After installation, check for updates to ensure you have the latest features and security patches:

  • Open Office App: Go to File > Account > Update Options.
  • Check for Updates: Click Update Now to install any available updates.

Conclusion

Downloading and installing the offline installer for Microsoft Office 2021 Professional Plus allows you to set up your software without needing a continuous internet connection. By following the steps outlined above, you can obtain the installer, complete the installation, and activate your Office suite effectively. This method is particularly useful for environments with limited or no internet access.

For any issues during the download or installation process, refer to Microsoft’s support resources or contact their customer support for assistance.