For advanced users or IT admins, you can install specific volume-licensed versions using the Office Customization Tool . This allows you to create a configuration file that includes the license type (such as Project Professional 2021 Volume License) and automates the installation process. How to Get Microsoft Project for FREE (Legally!)

If your organization uses , activation is handled automatically through a Key Management Service (KMS) or Multiple Activation Key (MAK) on your company's network. Ensure you are connected to your company's VPN or network for the activation to refresh. 5. Deployment via Office Customization Tool

If you have already purchased a subscription (like Project Plan 1, 3, or 5) or a digital license, you do not need a product key. Open Project and select . Enter the email address associated with your purchase.

This provides full desktop functionality for one month without a permanent key. 3. Microsoft Project Viewer Mode

If you need temporary full access, Microsoft offers a for Project plans. Visit the Microsoft Project comparison page.