Open Task Manager and check CPU temperature if your system/software supports it
Use BIOS or UEFI hardware monitor to view CPU temperature
Install a hardware monitoring tool such as HWMonitor, HWiNFO, Core Temp, or Open Hardware Monitor
Check your motherboard or laptop manufacturer’s utility app for temperature readings
Use your system’s fan-control or performance software if it includes temperature monitoring
Compare idle temperature and load temperature while running a stress test or heavy application
Check the CPU temperature sensors in your laptop or desktop through the operating system if supported
Ensure the cooling system is working properly if temperatures are unusually high