Original price was: $23.00.$10.99Current price is: $10.99.
Instant email delivery — your key and download link arrive within minutes.
Genuine Microsoft Project 2021 Professional product key — lifetime license for 1 PC with Gantt charts, timelines and resource management, delivered in minutes.
100% secure payments with SSL encryption via Stripe
Activates on Microsoft’s servers
Buy a genuine Microsoft Project 2021 Professional product key and own the industry-standard planner outright — Gantt charts, dependencies, critical path, resources and budgets — for less than one month of a Project Plan subscription. Your 25-character key arrives by email within minutes.
Want a Microsoft Project one-time purchase at the lowest price? Project 2021 Professional delivers the complete desktop scheduling engine — Gantt charts, task dependencies, critical-path analysis, resource levelling, budgets, baselines and reports — as a perpetual license on 1 PC. It’s the value alternative to both the monthly Project Plan subscription and the newer Project 2024: same core engine, lower price. Microsoft security updates run until October 2026; the software works permanently after.
| Factor | Project 2021 (this) | Project 2024 | Project Plan 3/5 |
|---|---|---|---|
| Payment | One-time, lowest price | One-time | $30–$55/month forever |
| Full Gantt & scheduling engine | ✔ | ✔ | ✔ |
| Security updates until | October 2026 | October 2029 | While subscribed |
Diagramming too? Grab the Office 2021 + Visio + Project bundle — all three for barely more than Project alone.
| Operating system | Windows 10 or Windows 11 |
| Processor / RAM / Storage | 1.6 GHz, 2 cores · 4 GB RAM · 4 GB disk |
| Licence | 1 PC · lifetime · activation at setup.office.com · 180-day guarantee · free 24/7 support |
| Component | Minimum |
|---|---|
| Operating system | Windows 10 or Windows 11 |
| Processor | 1.6 GHz, 2 cores |
| RAM / Storage | 4 GB RAM · 4 GB disk space |
| Internet | Required for activation — offline use after |
Full illustrated walkthrough: How to Download, Install & Activate your Microsoft product key →
Original price was: $23.00.$10.99Current price is: $10.99.
One-Time Payment · No Subscription
Original price was: $23.00.$10.99Current price is: $10.99.
There was a minor activation issue at first, but customer support resolved it quickly. Now Project 2021 is running perfectly, and I’m very pleased.
I needed help choosing the correct download version. Support replied quickly, and activation was successful.
I had a small activation issue at first, but support responded quickly and helped me get everything activated. Very satisfied.
Installation was straightforward, and the license worked exactly as described. Great service.
The Project 2021 key was delivered within minutes, and activation was quick and easy. Everything is working perfectly.