If you are receiving an error message stating that the product key doesn't support the region, it typically means that the product key you are trying to use is not valid for the geographical location associated with your Microsoft account. Here are some steps you can take to resolve this issue:
- Check the Region of Your Microsoft Account: Ensure that your Microsoft account is set to the correct region that matches the product key. You can check and update your region in your Microsoft account settings.
- Verify the Product Key: Make sure that the product key you received is indeed for Microsoft 365 and is intended for your region. Sometimes, keys purchased from different regions may not work in your current location.
- Contact Support: If you continue to experience issues, consider reaching out to Microsoft Support for assistance. They can help verify the product key and provide guidance on how to proceed.
- Use the Correct Version: Ensure that you are trying to install the correct version of Microsoft 365 that corresponds to the product key. If you have a business subscription, make sure you are using the business version of the software.
If you need further assistance, you may want to refer to the Microsoft support documentation for more detailed troubleshooting steps.