Windows
Microsoft Windows 11 Pro + Office 2021 Professional Plus
- Operating system
- Windows
- Digital delivery
Instant download + product key
Windows 10 Pro and Office Professional Plus 2021 in one bundle for existing PCs that stay on Windows 10.
Price includes VAT. Digital product, no shipping.
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Fast digital delivery
Digital content is usually delivered by email within 5 to 30 minutes after successful payment; a specific delivery time cannot be guaranteed. Your right of withdrawal expires once delivery begins, provided you have expressly agreed that we start performance before the end of the withdrawal period and have acknowledged that you thereby lose your right of withdrawal.
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After payment you receive your product key by email. Install Windows with the official tools from Microsoft, or enter the key on an existing installation under Settings > System > Activation.
You receive two product keys, one for Windows 10 Pro and one for Office Professional Plus 2021. Install Windows first and then Office, both with the official tools from Microsoft. The bundle suits computers that cannot run Windows 11 or software that requires Windows 10.
Microsoft ended regular support for Windows 10 on October 14, 2025 and for Office 2021 on October 13, 2026. Both continue to work but no longer receive security updates. A Windows 10 key can usually also activate Windows 11 Pro on compatible hardware.
Manufacturer: Microsoft Corporation, One Microsoft Way, Redmond, WA 98052-6399, USA
EU contact: Microsoft Ireland Operations Limited, One Microsoft Place, South County Business Park, Leopardstown, Dublin 18, D18 P521, Ireland
Processor: 1 GHz or faster. RAM: 1 GB (32-bit) or 2 GB (64-bit). Storage: 16 GB (32-bit) or 32 GB (64-bit). Graphics: DirectX 9 or later with WDDM 1.0 driver. Display: 800 x 600.
Install the software from Microsoft's official pages only.
Contact us with your order number, the exact error message and a screenshot. We check the case and provide a working replacement or a refund. Your statutory rights remain unaffected.