There is no way to install Office 2021 on Windows 8.1 or earlier. Method 2: Activate Microsoft Office 2021 using Batch Fileĭownload and install Office 2021 Install Office 2021 using Office Deployment Toolīefore you start, ensure that the operating system version you’re running is Windows 10 or later.Method 1: Activate Microsoft Office 2021 using Command Prompt.Install Office 2021 using Office Deployment Tool.The mounted ISO file will then be accessible as a virtual drive, and you can run the setup file to install Office 2021 on your computer. In summary, mounting an Office 2021 ISO file involves downloading the ISO file, opening the File Explorer, right-clicking on the ISO file, and selecting “Mount”. Follow the on-screen instructions to install Office 2021 on your computer. You can open the virtual drive and access the installation files as if they were on a physical disc.ĭouble-click on the setup files to launch the Office 2021 installation wizard. Once you have mounted the Office 2021 ISO file, it will be accessible as a virtual drive in File Explorer. If “Mount” is not an option, you may need to install a third-party software program that allows you to mount ISO files. Right-click on the Office 2021 ISO file and select “Mount” from the context menu. Navigate to the location where you saved the Office 2021 ISO file. Step 2: Open the File Explorer or Download Folder (Open the File Explorer in Windows by pressing the Windows key + E on your keyboard.) Step 1: Download the Office 2021 ISO file ( You can see All ISO Files here below) Here are the steps to mount an Office 2021 ISO file: Mounting an ISO file means making the contents of the ISO file accessible as if they were on a physical disc. This ISO file can be used to install Office 2021 on a computer without the need for a physical disc. Office 2021 ISO is a digital image of the Microsoft Office 2021 software that contains all the installation files and folders.

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