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Product Key Issues

Fix Microsoft Project Professional 2024 Redeemed but Won't Install

WPS EditorWPS Editor Sep 29, 2026 868 views

Question details

The user has successfully redeemed a Microsoft Project Professional 2024 product key but is unable to install the software. Re-entering the key results in an 'already redeemed' error.

Fix Microsoft Project License Redeemed but Will Not Install
Product
Microsoft Project Professional 2024
Device & OS
not provided
Scenario
Attempting to download and install Microsoft Project after the product key has already been attached to a specific Microsoft account.
Observed behavior
The installation fails to start, and trying to redeem the key again on setup.office.com displays an error stating the key was already redeemed.
Before you start

Verify that you know the exact Microsoft account credentials (email and password) that you used when initially redeeming the Project Professional 2024 product key.

Solution 1Recommended

Install Directly from Microsoft Account Services

Since the product key is already linked to your account, you must install the software from your account dashboard instead of re-entering the key.

Once a Microsoft product key is redeemed, it becomes permanently attached to your Microsoft account. You cannot use setup.office.com again. Instead, you need to trigger the installation directly from your account's service page.

1
Go to Microsoft Account Services

Open your web browser and navigate to the official Microsoft account Services & subscriptions page (account.microsoft.com/services).

2
Sign In with the Correct Account

Log in using the exact Microsoft email account that you used when you first redeemed the Project 2024 key.

3
Locate Your Project License

Scroll through your list of purchased products or subscriptions until you find 'Project Professional 2024'.

4
Download and Install

Click the 'Install' button next to the product. Run the downloaded setup file and follow the on-screen prompts to complete the installation.

Install Directly from Microsoft Account Services
Account Verification: If you do not see the product listed, you are likely signed into the wrong Microsoft account. Check any other email addresses you own.
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Frequently Asked Questions

Why do I get an 'already redeemed' error when entering my Project product key?

A Microsoft product key can only be used once to link the software to a Microsoft account. Once linked, the key is no longer needed. To install the software, you must simply sign in to the Microsoft account where it was redeemed.

How do I find out which Microsoft account holds my Project 2024 license?

You need to log into the Services & Subscriptions page (account.microsoft.com/services) with every Microsoft account you own (including personal and work emails). The correct account will list Project Professional 2024 under the 'Products you've purchased' section.

What should I do if the installation still fails after signing into the right account?

If you still cannot install the software, ensure you have completely uninstalled any older versions of Project from Windows Settings. If the issue persists, contact Microsoft Support and provide your redemption date, account details, and proof of purchase.