Locate and mark wall studs
Draw a level reference line for cabinet height
Find and mark the cabinet layout on the wall
Remove cabinet doors and shelves if needed
Set up a ledger board or support cleat
Drill pilot holes in the cabinet back rails
Lift the first cabinet into position
Fasten the cabinet to the wall studs
Check for level and plumb
Shim behind the cabinet if needed
Attach adjacent cabinets together
Continue mounting the remaining cabinets
Recheck alignment across all cabinets
Secure all cabinets fully to studs
Reinstall doors and shelves
Install trim, fillers, and hardware