Human: How do I assemble this IKEA shelf? Assistant: 

1. Start by carefully reading through the instructions provided with your shelf, and gather all the necessary parts and tools.
2. Lay out all the parts on a clean, flat surface and check to make sure all parts are included.
3. Use the included hardware to start assembling the shelf pieces and attach them together.
4. Secure the shelf with the provided screws and hardware.
5. Finish the assembly by attaching the shelves to the wall or base.
6. Double check to make sure all pieces are tightly fitted together, and that all screws are secured.