Gather all parts and tools
Prepare a clean workspace
Ground yourself to avoid static discharge
Open the case
Install the power supply
Install the CPU on the motherboard
Install the CPU cooler
Install the RAM
Install the M.2 SSD
Install the motherboard into the case
Connect the power supply cables to the motherboard
Install the graphics card
Connect storage drives
Connect case fans
Connect front panel cables
Check all connections
Close the case
Connect monitor, keyboard, and mouse
Power on the PC
Enter BIOS or UEFI
Verify hardware is detected
Install the operating system
Install drivers and updates
Test the system for stability