How to activate a Microsoft Office 2024 Professional Plus key?

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

Download the software from HERE,
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.
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.
Click Activate Product and follow the instructions shown to activate your Office 2024 with the purchased key.

And, that's it!

IMPORTANT! If you encounter some issues with the activation of your product key, we advise to use the automated phone system*. To do so, please follow these steps:
1. In the Activation Wizard, select "I want to activate the software by telephone", and then click on Next or press Enter on your keyboard.
2. In the Step 1 in the Activation Wizard, choose your country/region, and then call the Product Activation Center phone number that’s listed under the country/region you selected.
3. When prompted by the Product Activation Center, enter the Installation ID that's shown in the Activation Wizard under Step 2.
4. The Product Activation Center will provide a Confirmation ID that you enter in the Activation Wizard under Step 3.
5. Select Next and follow the prompts to finalize the activation process. Alternatively, press Enter on your keyboard to proceed.
*If you see the message Telephone activation is no longer supported for your product, you can ignore this error and call the numbers for your specific country/region listed in THIS article.

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: