Windows: Use BIOS/UEFI, Task Manager does not show CPU temperature
Windows: Install HWMonitor
Windows: Install Core Temp
Windows: Install HWiNFO
Windows: Check your motherboard manufacturer’s software
macOS: Use iStat Menus
macOS: Use Macs Fan Control
Linux: Install lm-sensors
Linux: Run `sensors` after setup
Linux: Use Psensor
BIOS/UEFI: Restart and enter firmware settings to view CPU temperature
Laptop: Check the manufacturer’s hardware monitoring utility
Desktop: Check the motherboard monitoring app
Gaming PC: Check the GPU/CPU monitoring overlay if supported