IKEA PAX wardrobe installation involves assembling the frame using either traditional hardware or new, nail-free click-in systems, requiring leveling with adjustable legs. It is critical to secure the unit to the wall with L-brackets and, if using custom doors, to pre-drill holes accurately to prevent damage. For a detailed walkthrough of the installation process, watch this video guide on YouTube . IKEA Pax 2.0 Building Instructions USA Version