No what I am saying is that any hacker BUT a scriptkiddie can disable windows defender

This. Better not install any antivirus (other than windows defender) but ANY malware just a bit more sophisticated than something from a scriptkiddie can EASILY bypass windows defender. So please just don’t download from sites where you can download free games as all of those sites I have seem have malware in all their games. And remember just because you don’t see that there is a virus in your computer most malware just hide and silently mine bitcoin or other crypto and steal your credentials to for example discord

Most antivirus especially the free ones are not good and are kinda malware themselves. What you can do is to not download from very sketchy sites and maybe try uploading the binary to virustotal. Maybe also check if the binary is very obfuscated

I can highly recommend using common sense and a vm