Get Windows and Microsoft Office 2021 Professional Plus together in one convenient digital bundle for a compatible PC. This package combines a Windows licence with Microsoft's desktop Office applications for documents, spreadsheets, presentations, email and everyday productivity.
Your licence information, download guidance and step-by-step installation instructions are normally delivered by email within 5 minutes after payment confirmation, with responsive UK-based support available if required.
A Windows licence for the edition included with your selected bundle, providing the operating system for your compatible PC.
A one-time-purchase desktop Office suite with applications for documents, spreadsheets, presentations, email, databases and other productivity tasks.
Get the operating system and Microsoft Office software together.
Intended for installation and activation on the compatible PC covered by the bundle.
No recurring Microsoft 365 subscription is required for Office 2021 Professional Plus.
Licence information and installation guidance are normally sent by email within 5 minutes after payment confirmation.
Step-by-step information is supplied for both Windows and Office.
Installation and activation support is included when required.
Check your Windows edition before activation. Windows Home and Windows Pro are different editions. The installed edition should match the Windows licence supplied with your selected bundle.
Windows provides the operating system used to run your PC, applications, files and connected hardware.
The features available depend on the Windows edition supplied with the bundle. Windows Pro includes additional business and administrative tools that are not included with Windows Home.
Access applications, files and settings through Microsoft's Windows interface.
Windows includes security features designed to help protect the computer and your data.
Organise open applications and windows to make better use of your desktop workspace.
Pro editions include additional tools such as BitLocker, Remote Desktop host and Group Policy.
| Feature | Windows 11 | Windows 10 |
|---|---|---|
| Microsoft support status | Current Windows generation | General Home/Pro support ended 14 October 2025 |
| Hardware requirements | Stricter compatibility requirements | Suitable for many older PCs |
| TPM 2.0 requirement | Required | Not a general Windows 10 requirement |
| Best choice for a new compatible PC | Recommended | Primarily where Windows 10 is specifically required |
Microsoft ended general support for Windows 10 Home and Pro on 14 October 2025. Windows 10 can continue to operate, but standard support and regular security updates for these editions have ended.
If your PC meets the Windows 11 requirements, Windows 11 is normally the better choice for a currently supported operating system.
Microsoft Office 2021 Professional Plus provides installed desktop Office applications through a one-time-purchase licence rather than an ongoing Microsoft 365 subscription.
It includes Microsoft's familiar productivity applications for documents, spreadsheets, presentations, email and database work.
Create and edit documents, reports, letters and other written content.
Create spreadsheets, calculations, charts and structured data reports.
Build presentations using slides, images and presentation tools.
Manage email, calendars, contacts and everyday communication.
Create and manage suitable desktop databases.
Create brochures, flyers, newsletters and other page-layout publications.
View the standalone Microsoft Office 2021 Professional Plus product for more information about the Office component.
Office 2021 Professional Plus is not Microsoft 365. It is a fixed-version desktop Office release and does not continually receive new Microsoft 365 subscription features.
Use modern lookup functionality for finding and returning information from spreadsheet data.
Excel includes modern dynamic-array functionality for compatible formulas.
Word includes familiar reviewing and editing tools for working with documents.
Create and deliver presentations using PowerPoint's desktop features.
Manage email, appointments and contacts through Outlook 2021.
Access provides database functionality for suitable business and personal projects.
Cover both the Windows operating system and Microsoft Office software in one order.
Buying Windows and Office together can offer better value than purchasing separately.
Receive the licence and installation information for both products through the same EcoKeys order.
EcoKeys provides support for eligible installation and activation issues.
Office 2021 applications can continue to function after this date, but Microsoft will no longer provide security updates, bug fixes or technical support for the product.
Customers who want a newer Office release with a longer remaining support lifecycle should consider an Office 2024 bundle instead.
Need help installing Office? Follow our Office 2021 Professional Plus Installation Guide .
Installing Windows can involve significant changes to your computer. Back up important files before carrying out a clean Windows installation.
The bundle combines a Windows licence and Office 2021 Professional Plus licence.
Use the Windows version and edition that corresponds with the supplied licence.
The Office licence is intended for one compatible computer.
Office 2021 Professional Plus does not require a recurring Microsoft 365 subscription.
No boxed software, DVD or USB drive is posted.
Retain your EcoKeys order information and supplied product keys.
You receive a Windows licence and Microsoft Office 2021 Professional Plus licence together with the relevant download, installation and activation guidance.
Yes. No physical disc, USB drive or boxed product is posted. Your licence information, download guidance and installation instructions are normally sent by email within 5 minutes after payment confirmation.
Your licence information, product keys, download guidance and installation instructions are normally sent by email within 5 minutes after payment confirmation.
No. Office 2021 Professional Plus is a one-time-purchase Office release and does not require an ongoing Microsoft 365 subscription.
Office 2021 Professional Plus includes applications such as Word, Excel, PowerPoint, Outlook, Access and Publisher, together with OneNote.
Windows 11 is preferable where your PC meets Microsoft's Windows 11 requirements. General support for Windows 10 Home and Pro ended on 14 October 2025.
Windows Home and Windows Pro are different editions. The installed Windows edition should correspond with the licence being used.
Where the selected bundle includes a suitable Windows Pro licence and the PC is already running the corresponding activated Home edition, a Home-to-Pro upgrade may be possible without reinstalling Windows.
Microsoft support for Office 2021 continues until 13 October 2026. After that date Microsoft will no longer provide security updates, bug fixes or technical support for Office 2021.
The Office applications can continue to function after support ends, but they will no longer receive Microsoft's security updates, bug fixes or technical support.
Existing or conflicting Office installations may need to be removed before Office 2021 Professional Plus is installed. Follow the preparation guidance supplied with your order.
Responsive UK-based support is included. If you experience an eligible installation or activation problem, EcoKeys support can help identify the issue and guide you through the appropriate troubleshooting steps.
Report an eligible activation issue within 28 days of purchase. If the EcoKeys support team cannot resolve the problem, a replacement or refund will be provided in accordance with the Activation Guarantee.
Purchase Windows and Microsoft Office 2021 Professional Plus together for a compatible PC. Your licence information, download guidance and installation instructions are normally delivered by email within 5 minutes after payment confirmation.
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Fast Digital Delivery – Product keys, download guidance and order information are normally sent by email within 5 minutes after payment confirmation.
12-Month Support Warranty – Installation, activation, reinstallation and eligible reactivation support is included for 12 months from purchase.
28-Day Activation Guarantee – Activation protection for eligible issues reported within 28 days of purchase.
Clear Payment Instructions – Payment options and instructions are provided separately after checkout.