Use BIOS/UEFI hardware monitor
Use motherboard vendor software
Use Windows Task Manager with third-party sensor tools
Use macOS menu bar temperature apps
Use Linux `lm-sensors`
Use `psensor` on Linux
Use `Core Temp` on Windows
Use `HWMonitor` on Windows
Use `HWiNFO` on Windows
Use `Open Hardware Monitor`
Check CPU temperature in BIOS/UEFI at startup
Install and run a temperature monitoring app
Enable temperature alerts in monitoring software
Monitor temperatures during idle and heavy load
Check temperatures with command-line tools
Verify fan speeds alongside CPU temperature