How to Download, Install, and Activate Microsoft Office 2021 Professional Plus?


Microsoft Office 2021 was released alongside Windows 11 on October 5, 2021. This is the latest version of Office, currently available for a one-time purchase to consumers in various market segments.

Installing Office 2021 gives you access to classic applications such as Word, Excel, PowerPoint, and Outlook, as well as OneDrive, Publisher, and Access. It is a one-time purchase, which means you only need to pay once to get a valid product key for Office 2021. Microsoft Office helps you stay creative with various tools and keeps your work organized. With the help of the programs available in the package, you can share your work with friends and colleagues to collaborate on projects and improve productivity, perform advanced analysis, prepare presentations and keep your email correspondence in order.

Downloading and installing Microsoft Office can be difficult for some people as there are different options and setup methods. This post will guide you step-by-step through the processes – from purchasing a Microsoft Office 2021 Professional Plus product key to activating it on your computer.

What are the Steps to Download and Install Microsoft Office 2021 Professional Plus?

  • Verification of System Requirements
    Before starting the Microsoft Office 2021 Professional Plus installation, make sure that your PC or Mac meets the necessary system requirements. The most important of these are:
    • 1.6 GHz dual-core processor
    • Windows 11 or Windows 10 operating system
    • Memory 4 GB (64-bit version), 2 GB (32-bit version) RAM
    • Hard drive space – 4 GB of free hard drive space
    • Display – 1024 x 768 resolution
    • Graphics Card – The hardware-accelerated graphics feature requires a DirectX 10 compliant graphics card
    • Internet access
    • Microsoft account
    A complete list of system requirements can also be found at aka.ms/systemrequirements
    REMEMBER: You will need a Microsoft account to sign in and download Microsoft Office. If you don't have one, you can create one by going to account.microsoft.com and filling in your information. It would be best if you also had a valid product key for the appropriate edition of Office – in this case, Microsoft Office 2021 Professional Plus download. If you haven't bought one yet, check out Brytesoft's offer!
  • Step 1: Download

    Download the virtual DVD of Microsoft Office 2021 Professional Plus directly from Microsoft by clicking on the following link:

    Click here to download Microsoft Office 2021 Professional Plus

    In some cases you might receive a security message by your browser when trying to download the file (depending on your security settings). You can accept the message without any concerns, because it's a direct link to Microsoft's Content Delivery Network (officecdn.microsoft.com).


    Step 2: Installation

    After successful download, please go to the download folder, double-click the downloaded file and the setup will start automatically.

    Normally, Windows 10 or 11 automatically opens the file when double-clicked. However, in rare cases, particularly when other programs (like DVD software) are linked with those file types, issues can arise. If this happens, right-click the file, select Mount, and a new drive will appear under This PC in Windows Explorer. Access this drive to begin installation. This process is known as image mounting, similar to inserting a DVD.

    The installation will start and when the process is done, please close the Window.


    Step 3: Activation

    Please open one of the Office programs that have just been installed, for example Word or Excel. If you are not able to find them, please open the Windows Start Menu and you will find them there. In the next step, please apply the product key provided by us to activate the software

    Important: If your PC came with a preinstalled version of Microsoft 365, please uninstall it in order to use Microsoft Office 2021 Professional Plus. Otherwise there will be a conflict between both versions.

    If you haven't purchased a Product Key yet, get it here.

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    Microsoft Office 2021 Professional Plus
    As low as £59.99
    Windows 11 Pro
    As low as £34.99
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