Office 2021 Professional Plus Digital License
Why Buy From License Center
Authentic Software Keys
100% genuine licenses at a fraction of retail price — fully verifiable and supported.
Instant Digital Delivery
Receive your activation key within minutes and download directly from Microsoft’s servers.
Full Retail Editions
Lifetime validity, 32/64-bit compatibility, and all premium features unlocked.
One-Time Purchase
Pay once, use for life — no subscriptions or hidden fees. Instant activation guaranteed.
How it works — fast & simple
Microsoft Office 2021 Professional Plus — Product Key (Lifetime)
The complete Microsoft Office suite for home and business — one-time purchase, no subscriptions.
Faster startup and smoother operation — ideal even for low-spec PCs.
Cleaner interface and productivity-focused improvements across all apps.
Co-authoring, inking, translation and advanced editing tools, and more.
Word
Line Focus, translation and editing tools for distraction-free writing.
Excel
Dynamic Arrays, XLOOKUP and Sheet Views for flexible data analysis.
PowerPoint
Improved Record Slide Show, smoother animations and layout refinements.
Outlook
Unified email, calendar and tasks with instant search and 70+ language translation.
Access
Updated Linked Table Manager, enhanced data types and streamlined tabs.
Teams & Publisher
Teams: collaboration with chat, calls, and meetings built in. Publisher: design flyers, posters, business cards and more with ease.
How to Download, Install, and Activate Microsoft Office 2021 Professional Plus
Follow these simple steps to uninstall older versions, download your product, and activate Microsoft Office 2021 Professional Plus on Windows or Mac.
1. How to Uninstall the Previous Version of Microsoft Office
For Windows Users
- Open the Control Panel.
- Select Programs and Features.
- Find Microsoft Office in the list, right-click, and select Uninstall.
- Follow the uninstallation wizard instructions.
Note: This may take several minutes depending on your computer’s configuration.
For Mac Users
- Open Finder and go to the Applications folder.
- Find all Microsoft Office apps (Word, Excel, PowerPoint, etc.).
- Drag them to the Trash and then Empty Trash.
Additionally, remove associated files from the user library to fully clear Office data.
System Restart
After uninstalling, restart your computer to complete the process and prepare for installation of the new version.
2. How to Download Microsoft Office Professional Plus 2021 (Windows)
- Visit the official Microsoft website: setup.office.com.
- Create a Microsoft account or sign in to an existing one.
- Enter the product key provided with your purchase.
- Download the Office installation file.
- If a security warning appears, this is normal — downloads are from Microsoft’s secure CDN (officecdn.microsoft.com).
3. How to Install Microsoft Office 2021 on Windows
- Open your Downloads folder.
- Double-click the downloaded file to start the installation.
Note: If double-clicking doesn’t work, right-click the file, select Mount, then open the new virtual disk under “This PC” and start the setup manually.
Wait for installation to finish, then close the window.
4. How to Activate Microsoft Office 2021
- Open any installed Office app (e.g., Word or Excel).
- If you can’t find it, check the Windows Start menu.
- Enter your product key when prompted to activate.
5. How to Download and Install Microsoft Office 2021 (Mac)
- Go to setup.office.com.
- Sign in or create a Microsoft account.
- Enter your product key and download the installation file (.pkg).
- Open your Downloads folder and double-click the installer.
- Follow the on-screen instructions and click Install.
Note: During installation, macOS may ask for your system password — this is normal for software installation.
6. Frequently Asked Questions
Can I download Office 2021 for free?
You can download the installer for free, but activation requires a purchased license. Microsoft offers a 30-day trial for evaluation.
Does Microsoft Office Professional Plus 2021 expire?
No, it’s a perpetual license — once activated, you can use it indefinitely.
Has support for Office 2021 been discontinued?
Office 2021 is still fully supported by Microsoft until October 2026 with ongoing security updates.
How do I update Microsoft Office 2021?
Office updates automatically via Windows Update. To check manually, open any app → File → Account → Update Options → Update Now.
On Mac, use Microsoft AutoUpdate.
System Requirements for Microsoft Office LTSC 2024 Professional Plus
Ensure your system meets the minimum requirements below for smooth installation and optimal performance of Microsoft Office LTSC 2024 Professional Plus:
| Requirement | Details |
|---|---|
| Operating System | Windows 10 or Windows 11 (Not compatible with Windows 7/8 or macOS) |
| Processor | 1.6 GHz or faster, dual-core (x64 architecture) |
| RAM | 4 GB or more |
| Disk Space | Minimum 4 GB of free space required |
| Display | 1280 × 768 resolution or higher |
| Internet | Broadband internet connection (required for download and activation) |
| Graphics | DirectX 9 or later with WDDM 2.0 driver (required for GPU acceleration) |
Meeting these requirements ensures full compatibility and smooth performance across all Office LTSC 2024 Professional Plus applications, including Word, Excel, PowerPoint, Outlook, Access, and Publisher.
