Sysinternals - microsoft

https://learn.microsoft.com/en-us/sysinternals/downloads/

Bootable USB

https://www.ventoy.net/en/download.html

https://www.hirensbootcd.org/

System Information

https://www.hwinfo.com/

Memory Diagnostic

https://www.memtest.org/

GPU

https://www.techpowerup.com/gpuz/

https://www.guru3d.com/download/display-driver-uninstaller-download/