Assembly can be done in 15 minutes The installation only requires fours teps: 1. Verify all fittings and align the armrest brackets with the chair base brackets. Insert them into the chair base,ensuring parallel positioning of the armrests. 2. Align the backrest brackets with the basebrackets, then insert the backrest into thebase. Note the snapat the bottom on each side of the chair backrest. 3. Apply pressure with both hands to firmly secure the backrest by sliding both sides into the base. Listen for a clicking sound, indicating the secure attachment of the snaps. 4. After connecting all the power cables, ensure the chair powers up properly, confirming successful assembly.