How to activate a Microsoft Office 2024 Professional Plus key?

2 min. readlast update: 01.29.2026

Activating a Microsoft Office 2024 Professional Plus key is really simple, just follow these steps:

  1. Download the software from HERE,

  2. IMPORTANT! Uninstall any existing Office versions: Before installing Office 2024, it’s important to remove any previous versions of Microsoft Office from your PC to avoid potential conflicts.

  3. Install and open any application, such as Word or Excel. Go to File → Account (or Office Account) and you should see a "Product Information" or “Activation Required notification.

    Personal d.docs.live files showing up in Office365 work account - Microsoft  Q&A
  4. Click Activate Product and follow the instructions shown to activate your Office 2024 with the purchased key.

    And, that's it!

    OPTION 2

    1. Get Installation ID

    • Press Win + R, type SLUI 4, and press Enter
    • Select your country/region

    Write down the Installation ID.

    2. Open Microsoft Activation Portal

    • Go to https://aka.ms/aoh
    • Sign in with your Microsoft account

    3. Generate Confirmation ID

    • Enter the Installation ID on the portal
    • Copy the Confirmation ID provided

    4. Complete Activation

    • Return to the original PC
    • Enter the Confirmation ID to finish activation.

The key is not working

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions:

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