tl;dr

Start a terminal as administrator then copy/paste

reg add HKCU\Software\Policies\Microsoft\Windows\WindowsCopilot /v TurnOffWindowsCopilot /t REG_DWORD /d 1 /f 

Then sign out and sign back in again.

Microsoft has deemed C++ no longer acceptable for writing mission-critical software. The industry sorely needs to move to a performant, memory-safe language for its low-low system work. And the best choice on the market today is Rust, Levick said.