Microsoft Office 2021 Professional Plus -5PC

The Microsoft Office 2021 Professional Plus 5 PC key activates the full Office 2021 suite on up to five Windows computers with one key. It is a one-time purchase with no subscription, built for small offices, teams and families that want the same Office apps on every PC. Order from Mcdkeys and receive your key and download link by email.

One Office 2021 Pro Plus Key for 5 PCs

• Product: Microsoft Office 2021 Professional Plus licence key
• Activations: up to 5 Windows PCs
• Licence: one-time purchase, full version with no time limit
• Delivery: product key and official download link by email
• Platform: Windows 10 and Windows 11 (not for Mac)

Apps Included in Office 2021 Professional Plus

• Word 2021: professional documents with Line Focus, translation and improved editing tools.
• Excel 2021: XLOOKUP, dynamic arrays, LET and Sheet Views for faster analysis.
• PowerPoint 2021: improved Record Slide Show, ink replay and richer animations.
• Outlook 2021: email, calendar and contacts with instant search and built-in translation.
• Access 2021: desktop databases with an updated Linked Table Manager.
• Publisher 2021: flyers, brochures and business cards.
• OneNote and Teams: notes and meetings in one place.

Why Choose the 5 PC Licence?

• Lower cost per PC than buying five single licences.
• One key to manage for the whole office.
• The same version everywhere, so files and features match across the team.
• Activate as you need: use some activations now and keep the rest for later.

System Requirements (per PC)

• Operating system: Windows 10 or Windows 11
• Processor: 1.6 GHz or faster, 2 cores
• Memory: 4 GB RAM
• Storage: 4 GB of free disk space
• Display: 1280 x 768 or higher
• Internet: required for download and activation

How to Install and Activate Office 2021 Professional Plus

1. Download the Office 2021 installer from the official link in your order email.
2. Open the downloaded file and run Setup.
3. When installation finishes, open Word or Excel.
4. Enter your 25-character product key when asked, or go to File, then Account, then Change Product Key.
5. Follow the prompts to activate online, then repeat on each PC.

Office 2021 Support Status

Office 2021 is a one-time purchase release. Microsoft ended support for it on 13 October 2026, so it no longer receives updates, but the apps continue to work. For a supported version, see Office 2024 Professional Plus.

Office 2021 Pro Plus 5 PC FAQ

Do I receive five keys or one?

One key that activates Office on up to five PCs.

Is this a subscription?

No. It is a one-time purchase with no renewal fees.

Does it work on Mac?

No. For Mac, see Office 2021 Home and Business for Mac.

Do I have to activate all five PCs at once?

No. Use the remaining activations whenever you need them.

What if activation fails?

Contact support@mcdkeys.com or use live chat. Our Refund Policy explains your options.

Related Office Licences

• Office 2021 Professional Plus for 1 PC
• Office 2021 Pro Plus bind key: linked to your Microsoft account.
• Office 2021 Pro Plus LTSC

Browse all Office 2021 licences.