Identify the exact processor model supported by your motherboard
Check motherboard socket type and chipset compatibility
Update the motherboard BIOS if required for the new processor
Power off the computer and unplug it from the wall
Disconnect all cables and open the case
Ground yourself to prevent electrostatic discharge
Remove the existing CPU cooler
Clean off old thermal paste from the cooler and CPU
Release the CPU socket retention mechanism
Remove the old processor carefully
Align the new processor with the socket markings
Place the new processor into the socket without forcing it
Lock the socket retention mechanism
Apply fresh thermal paste if needed
Reinstall the CPU cooler securely
Reconnect the cooler fan cable to the motherboard
Close the case and reconnect all cables
Power on the computer and enter BIOS/UEFI
Verify that the new processor is detected
Check CPU temperature and system stability
Install any required chipset or system drivers
Run a stress test or normal workload to confirm proper operation