Microsoft Office 2021 Professional Plus Download Guide
The Office 2021 is the latest version of Office, currently available for a one-time purchase to consumers in various market segments.
You can click here to download the Microsoft Office 2021 Professional Plus (EN) ISO file from Microsoft’s CDN server directly.
But it’s better to follow this Office 2021 Professional Plus download guide below, if you’ve never done it before.
If you are looking to upgrade Office 2019 to the next version, it will be Office 2021. However, if you are already using Microsoft 365, you don’t have to switch to Office 2021.
1. Office 2021 Component Requirement
Before you start, make sure your PC or Mac meets the system requirements as follows.
Windows: 1.1 GHz or faster, 2-core
Mac: Intel or Apple Silicon
Windows: 2 GB RAM for 32 bit, 4 GB RAM for 64 bit
Mac: 4 GB RAM
Windows: 4 GB
Mac: 10 GB
Windows: Windows 10 or Windows 11, 32 bit, 64 bit
Mac: the three most recent versions of macOS
You can also check out Microsoft 365 and Office Resources for a full list of system requirements.
2. Installation beforehand
You must first have a Microsoft account to sign in and download Microsoft Office. If you don’t have one, you can set one up here.
Then you’ll need an Office 2021 Professional Plus product key. If you don’t have one, check out our best deal and sign in to save an additional 20%.
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3. Sign in to get Office 2021
Visit setup.office.com on your PC to install Office.
Sign in with your Microsoft account, or sign up for one if you don’t already have one. Remember this account so that you can later install or reinstall Office.
Enter the Office 2021 pro plus product key to notify Microsoft that the software was lawfully acquired. Choose your country as well.
After confirmation, you will be instantly logged into your Microsoft account page. The apps you’ve purchased will be listed under the services & subscriptions page.
4. Setup Office 2021
From your Microsoft account page, go to Install Office and select your language and office version.
The Office 2021 Professional Plus is installed by default in 32-bit mode. Even if your machine runs a 64-bit version of Windows, we recommend installing the 32-bit version of Office since it is more compatible with Office-compatible apps and add-ins.
What occurs next is determined by the web browser you are using. When you choose Install, a box at the bottom asks if you want to run the file, save it, or cancel it. Select Run to begin the installation procedure.
The Edge browser is the most convenient way to install Microsoft Office.
The installation process begins immediately when you run the downloaded file. If Windows prompts you to allow the installation, choose Yes. If it asks you to close any open programs, choose Yes once more.
When you see the sentence “You’re all set! Office is installed now” the installation is complete. Microsoft Office 2021 Professional Plus is now installed and operational.
5. Activate Office
Restart your computer after the installation procedure.
Launch Office software, click the Start button (located in the lower-left corner of your Windows screen) and input the name of an Office app, such as Word.
From the search results, select the Office app icon.
Accept the licensing agreement when the Office app opens. The office 2021 Pro Plus has been activated and is ready to use.
6. Office 2021 ISO
You can also download the Microsoft Office 2021 Pro Plus ISO file and then use it for 30 days for free.
Here is a list of official Microsoft download links for the Office 2021 Professional Plus ISO file.
Choose your language and click the download link to get the ISO/IMG file. After clicking the link, the download should begin. Depending on your internet speed, it could take 10-20 minutes.
7. Installation of Office 2021 ISO
First locate the downloaded ISO file, and right-click on it.
From the contextual menu, select the option mount. Please see the screenshot below. It will mount the file as a virtual device and allow you to access it like a DVD drive.
Finally, double-click the installation file. It will begin the installation procedure. The installer will select the most appropriate Office version for your PC.
And you must purchase the Microsoft Office 2021 Professional Plus Product key within 30 days to activate Office for lifetime use.