Check whether the headboard and bed frame are compatible
Gather the required bolts, washers, brackets, and tools
Position the headboard behind the bed frame
Align the headboard holes with the bed frame mounting holes
Attach the mounting brackets if needed
Insert the bolts through the aligned holes
Tighten the nuts or bolts securely
Make sure the headboard is level and centered
Recheck all fasteners for tightness
Place the mattress back on the bed frame if removed