Hello Jensen,
Welcome to the Microsoft Community.
I understand that you want to install Office 2024 on your Mac. If your situation is similar to the one described in the thread you referenced, you can follow this article to clear the Office license from your device: How to remove Office license files on a Mac - Microsoft Support
If your device contains an incorrect version, such as Microsoft 365, follow these steps to uninstall it: Uninstall Office for Mac - Microsoft Support
Then, reinstall your Office 2024 applications, from https://account.microsoft.com/services.
If you think this information is helpful, or if you still have any questions about it, feel free to let me know in your reply!Best RegardsEliac | Microsoft Community Support Specialist