Microsoft

Microsoft Office 2021 Professional Plus

Name: Microsoft Office 2021 Professional Plus
Brand: Microsoft
SKU: 12400
Price: 29.74 EUR
Availability: InStock

Version

One-time payment

Not available

Unavailable

Currently not available to order.

14-day refund on unrevealed keys

Genuine licence, EU invoice included

Sold by Kiaveo

Independent EU software reseller

✓ Official invoice

About this licence

Microsoft Office 2021 Professional Plus is a perpetual, one-time-purchase office suite for a single Windows PC. This Professional Plus edition refreshes the familiar Office workflow with updated editing features, co-authoring tools, real-time translation, motion graphics and performance improvements. Licences are available as bound (transferable to a new PC) or OEM (single activation).

What's included

Perpetual licence — one-time purchase, no subscription
Platform: Windows only (Windows 10 or 11)
Includes Word, Excel, PowerPoint, OneNote, Outlook, Publisher, Access, Teams (separate download)
secure delivery through your order page (instant during office hours, within 24 hours otherwise)
Licence variants: Bound (transferable) or OEM (single activation)

Product details

Brand	Microsoft
Category	Microsoft Office
Edition	Professional Plus
License	OEM
Delivery	Digital key — secure order-page delivery
Invoice	EU invoice included

System requirements

As of 2026-04-20 the requirements are as follows:

Processor 1.6 GHz or faster, 2 cores

Operating system Windows 10, Windows 11, or Windows Server 2019/2022

Memory 4 GB RAM (64-bit) or 2 GB RAM (32-bit)

Hard disk 4.0 GB of available disk space

Display 1280 × 768 resolution

Internet Required for activation and cloud features

Requirements change over time — the latest official list is on the Microsoft Office 2021 deployment site.

Activation & installation overview

1Go to office.com/setup and sign in with your Microsoft account.
2Enter the product key from your secure order page.
3Download and run the Office installer.
4Open any app and activate with the key when prompted.

This is a general activation overview; publisher screens can vary by edition and version.

Additional information

Office 2021 Professional Plus is sold as a perpetual licence — you pay once and keep the software with no recurring subscription. Each licence activates one Windows PC.

Licence variants: choose Bound (linked to your Microsoft account, transferable to a new PC) or OEM (single activation on one PC, tied to that device). See the FAQ for details.

Languages: Office 2021 Professional Plus supports all Microsoft-supported languages — the interface language is chosen during install.

Platform coverage: Windows 10, Windows 11, and Windows Server 2019/2022 only. Not compatible with macOS — for Mac, see Office Home and Business 2021. See the Requirements section for full specifications.

What you receive

Office 2021 Professional Plus product key (by email)
Download link for the official Microsoft installer
PDF invoice with licence details
Step-by-step activation guide

digital delivery timing shown before payment.

How to activate

Download Office 2021 Professional Plus using the link in your Kiaveo email
Install Office on your Windows PC
Launch any Office app (e.g. Word) and enter the product key from your Kiaveo email when prompted

Support

Message our support team — replies within one business day. If anything goes wrong with your key or activation, contact us and we'll work on a solution for you.

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