Back up important data
Shut down the PC completely
Unplug all cables and peripherals
Remove external accessories
Remove GPU if needed for safer transport
Secure loose internal cables
Remove or secure heavy CPU coolers
Protect glass panels with extra padding
Place components in anti-static bags if removed
Use original packaging if available
Fill empty space inside the case with packing material
Wrap the PC in anti-static bubble wrap
Place the PC in a sturdy box with padding on all sides
Double-box for added protection
Cushion the box with foam or packing peanuts
Seal the box with strong packing tape
Label the box as Fragile and This Side Up
Insure the shipment
Choose a shipping service with tracking
Avoid shipping during extreme heat or cold
Photograph the PC and packaging before shipping