To download and install Microsoft Project Professional 2021, you must have a valid product key or an active Microsoft 365 license that includes Project. Here are the primary ways to download it as of April 2026: Method 1: Official Microsoft Account (Retail License) If you purchased a retail key: Go to microsoft365.com/setup. Sign in with your Microsoft account. Enter your 25-digit product key.
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Step 3: Click “Install” (or customize). To download and install Microsoft Project Professional 2021
Sign In: Visit microsoft365.com/setup and sign in with the Microsoft account you wish to associate with your license. After purchase, sign in to the Microsoft account
Before downloading Microsoft Project 2021 Professional, ensure that your computer meets the system requirements:
Sign In: Use your educational credentials at the portal provided by your school (e.g., a CBC email account).
⚠️ Warning: Avoid “free download” sites offering cracked versions. These often contain malware, cannot receive security updates, and violate Microsoft’s terms.