-80%
Microsoft Project Professional 2021 (PC) product key box - genuine one-time purchase for Windows, instant digital delivery, 80% off | Maventech Software
360° view · drag to spin
WindowsWindows In Stock One-Time Purchase

Buy Microsoft Project Professional 2021 (PC) — for 1 PC | Lifetime License Key

Microsoft Project Professional 2021 (PC)
Version: 2021
202420212019
Operating system: PC
PC platformPCMac platformMac
€147.19 €735.99 Save 80%
Listed price in EUR. Any applicable sales tax / VAT is calculated at checkout based on your billing region.
Instant email delivery (15-30 min)
Genuine Microsoft key
Money-back guarantee
Free installation support

Microsoft Project Professional 2021 (PC) is a genuine, one-time-purchase product. One-time purchase — no subscription, no recurring fees. Your license key activates the official software downloaded directly from Microsoft (or the vendor) and remains yours for as long as you use it.

  • Licensed for 1 Windows device
  • Full official version — not a trial or shared account
  • Includes free updates within its version
  • Activation support included — 30-day money-back policy
GTIN: 2002120146857 SKU: SKU-58BB62DF Brand: Microsoft
  1. Complete your purchase — your license key + download link arrive by email within 15-30 minutes.
  2. Download the official installer from the link provided.
  3. Enter your product key when prompted to activate.
  4. Need help? Our team offers free installation assistance: 1-805-823-9961 (Mon-Sat, 9 AM - 6 PM EST).

Buying for a team? We offer volume discounts on 5+ licenses with consolidated invoicing.

Request a Volume Quote

Why buy Microsoft Project Professional 2021 (PC) from Maventech Software?

Looking for the most reliable place to buy Microsoft Project Professional 2021 (PC) online? You are in the right place. Maventech Software delivers a genuine Microsoft license key for Microsoft Project Professional 2021 (PC) at €147.19 — a one-time purchase with a lifetime activation, no monthly fees and no surprise renewals. Your key arrives by email in 15–30 minutes, ready to activate directly inside the official Microsoft installer.

Microsoft Project Professional 2021 (PC) — quick facts

  • Platform: Windows · Edition: 2021
  • Licence type: Lifetime / perpetual — not a rental subscription.
  • Delivery: Instant email with the activation key + official download link.
  • Activation: Direct inside the official Microsoft software — no third-party loaders.
  • Guarantee: 30-day money-back, replacement key if anything goes wrong.

How to activate Microsoft Project Professional 2021 (PC) after purchase

  1. Complete checkout — your Microsoft Project Professional 2021 (PC) license key + official Microsoft download link arrive by email within 15–30 minutes.
  2. Download the genuine installer from the link in the email (or directly from the Microsoft website).
  3. Run the installer and sign in to your Microsoft account.
  4. Paste the activation key when prompted — activation completes in seconds.
  5. Need help? Our specialists set it up for you on a free assisted call.

Is Microsoft Project Professional 2021 (PC) a one-time purchase?

Yes — this listing is the perpetual licence. Pay once at €147.19, activate on your Windows device, and use Microsoft Project Professional 2021 (PC) for as long as you own the device. There are no monthly fees, no renewals and no surprise charges. If you need to move the licence to a new computer, our support team helps you transfer it free of charge.

Best price for Microsoft Project Professional 2021 (PC) in 2026

Maventech Software partners directly with authorised channels, which is how we can sell Microsoft Project Professional 2021 (PC) for €147.19 — up to 81% below the manufacturer’s retail price. Every key is verified pre-dispatch, every payment is encrypted, and every order is protected by our 30-day money-back guarantee. Compare us with any other reseller on price, delivery speed and support quality — we are confident you will buy here.

Microsoft Project 2021 Professional — lifetime license & instant product key

The professional grade tool millions of project managers, PMOs and construction teams depend on for Gantt charts, resource levelling, baseline tracking and earned-value analysis. This listing is a one-time purchase perpetual license for Microsoft Project 2021 Professional on Windows PC — no monthly fee, no Microsoft Project Online subscription required. Matches intent for "Microsoft Project 2021 Professional PC", "MS Project Professional product key" and "project management software lifetime license Windows".

Installs alongside Office

Microsoft Project 2021 installs as a standalone app on the same Windows PC where your Office 365 / Office 2021 / Office 2024 already runs — they do not conflict. Activation uses your Microsoft account so you keep the licence when you change PCs (subject to Microsoft's standard reactivation flow).

Ask AI about this product
Powered by Claude · Instant answers about delivery, compatibility, activation & more
Online
AI answers are based on this product's specs — for personal questions or order help, use the chat bubble.

Questions about Microsoft Project Professional 2021 (PC)

Quick answers about delivery, activation and our guarantee — straight from our support team.

Your Microsoft Project Professional 2021 (PC) license key is delivered by email almost instantly — typically within 15-30 minutes of completing payment, often in seconds. The email includes the activation key, the official Microsoft download link, and step-by-step activation instructions. There is no physical shipping — everything is digital and reaches the email address you provided at checkout.

Yes. Maventech Software only sells genuine, activation-ready Microsoft license keys sourced through authorised channels. The key you receive activates the official Microsoft software downloaded directly from the Microsoft website — it is never a cracked, repackaged, or modified installer. Every key is verified before dispatch and backed by our 30-day money-back guarantee if it fails to activate.

In the rare case a key does not activate, contact our support team within 30 days and we will either provide a working replacement key at no extra cost or issue a full refund — your choice. Support is available via live chat on the site, email, or phone (Mon-Sat, 9 AM - 6 PM EST). Most activation issues are resolved in under 10 minutes by our concierge team.

1. Visit setup.office.com to download the official installer. 2. Sign in with (or create) your Microsoft account. 3. Enter the license key shown above when prompted and follow the on-screen activation steps. If you would prefer we do it for you, our ProAssist Premium Installation add-on books a specialist to set everything up over a 30-minute video call.

Each license key activates one device under the Microsoft end-user license agreement. For multi-device coverage, pick a multi-seat product (e.g. 3-device or 5-device variants when available) or buy additional keys with the volume discount applied automatically at checkout for 5+ units.

This is a one-time purchase perpetual licence for Microsoft Project 2021 Professional on Windows PC. There is no monthly subscription, no Microsoft Project Online seat fee and no auto-renewal. Activate the key once and use Project for as long as you own the device.

Yes. Microsoft Project 2021 installs as a standalone app on the same Windows PC where Microsoft 365, Office 2024, Office 2021 or Office 2019 is already running. The installers do not conflict and you do not lose any existing Word, Excel, PowerPoint or Outlook settings.

Yes. Microsoft Project 2021 Professional supports Windows 11 and Windows 10, opens .mpp files from every previous Project version, exports to Excel / PDF / image, and connects to Project Online and Project Server via on-premises connectors when needed.

People also ask about Microsoft Project Professional 2021 (PC)

Maventech Software sells Microsoft Project Professional 2021 (PC) for €147.19 — up to 81% below the manufacturer’s retail price. We work directly with authorised channels, which is how we keep prices low while guaranteeing every key is genuine, activates inside the official Microsoft installer, and ships with a 30-day money-back protection.

Your Microsoft Project Professional 2021 (PC) licence key arrives by email within 15–30 minutes of completing payment — often in seconds. The email contains the activation key, the official Microsoft download link and step-by-step instructions. There is no physical shipping; everything is digital.

Yes — this listing is the Windows edition of Microsoft Project Professional 2021 (PC). As long as your computer meets Microsoft’s minimum system requirements (any Windows machine from the last ~5 years), this key will activate without issue. We exchange any wrong-platform purchase free of charge within 30 days.

Every Microsoft Project Professional 2021 (PC) listing on Maventech Software is a one-time purchase with a perpetual (lifetime) licence. Pay once, activate on your device, and use the software for as long as you own the computer. There are no monthly fees, no renewals and no automatic re-billing.

In the rare case a key fails to activate, contact support within 30 days. We will either send a working replacement key at no extra cost or issue a full refund — your choice. Most activation issues are resolved by our specialists in under 10 minutes via live chat.

Each Microsoft Project Professional 2021 (PC) licence covers a single device by default. If you need to move the licence to a new computer (e.g. when upgrading your laptop), our support team transfers it for you free of charge. Multi-device family packs are listed separately on the relevant category page.

Related categories & popular searches

Topic hub: Microsoft Office Explore Microsoft Project Solutions at Maventech Software
Browse related categories
Popular searches
Microsoft Office 2024 lifetime key Office 2021 Home and Business for Mac Windows 11 Pro product key Windows 10 Home activation key Bitdefender Total Security 5 devices McAfee Total Protection 3 device Microsoft Project 2024 licence Microsoft Visio 2021 product key Office for Mac one time purchase cheap Microsoft Office key online
Helpful guides on the blog

Related Products

Best Seller-80%
Microsoft Project 2024 Professional (PC) product key box - genuine one-time purchase for Windows, instant digital delivery, 80% off | Maventech Software
Windows platformWindows
Microsoft Project 2024 Professional (PC)
In stock
Instant email delivery · One-time purchase
€183.99€919.99EUR
-81%
MS Project Professional 2019 (PC) product key box - genuine one-time purchase for Windows, instant digital delivery, 81% off | Maventech Software
Windows platformWindows
MS Project Professional 2019 (PC)
In stock
Instant email delivery · One-time purchase
€119.59€643.99EUR