For anyone still seeing [1;1H instead of proper terminal controls:

PowerShell and Windows Terminal natively support ANSI escape codes, unlike the legacy Command Prompt (cmd.exe).

You need to use anything except cmd.exe for proper functionality.

 If you try adding <windows.h> to enable ANSI or UTF-8 support, it may cause macro conflicts with the rest of the script and break parts of it.

Complain to the original author that their script isn't working correctly because they assumed macros would function this way.