Use the official Microsoft Windows 10 Download Page to get the Media Creation Tool.
Windows 10 Build 23100 does not exist as an official release from Microsoft. The official, final version of Windows 10 is 22H2, with build numbers in the 19045 range. windows 10 build 23100
When you encounter downloads or articles claiming to offer Windows 10 Build 23100, they fall into one of three specific categories: Use the official Microsoft Windows 10 Download Page