Gather all necessary components: CPU, motherboard, RAM, storage (SSD/HDD), GPU, power supply (PSU), case, and cooling system (air or liquid).

Prepare your workspace with a clean, static-free surface and tools like a magnetic screwdriver.

Install the CPU onto the motherboard by aligning the notches and securing it with the retention lever.

Attach the CPU cooler (air or liquid) to the CPU, ensuring thermal paste is applied if not pre-applied.

Insert the RAM modules into the appropriate slots on the motherboard, ensuring they click into place.

Install the M.2 SSD (if applicable) into the designated slot on the motherboard and secure it with a screw.

Mount the motherboard into the PC case, aligning it with the standoffs and securing it with screws.

Install the power supply (PSU) into the case, ensuring the fan faces the correct direction for airflow.

Connect the 24-pin motherboard power cable and CPU power cable from the PSU to the motherboard.

Install the GPU into the PCIe slot on the motherboard and secure it with screws. Connect the necessary PCIe power cables from the PSU.

Mount any additional storage drives (HDD/SSD) into the case and connect them to the motherboard using SATA cables and power from the PSU.

Connect all case cables (power button, USB, audio) to the motherboard headers as per the manual.

Install any additional case fans or RGB components, connecting them to the motherboard or a fan controller.

Perform cable management by routing and securing cables to ensure proper airflow and a clean build.

Close the case by reattaching the side panels.

Connect the PC to a monitor, keyboard, and mouse, and plug in the power cable.

Power on the PC and enter the BIOS to ensure all components are detected and functioning.

Install the operating system (e.g., Windows) using a bootable USB drive and follow the on-screen instructions.

Update all necessary drivers (GPU, motherboard, etc.) and run Windows Update to ensure the system is up to date.