How to Install VIPEK V11S?

DIMENSIONS:
V11S: 45"Lx16.5"Wx78.3"H
V11C: 46.1"Lx17.7"Wx78.3"H
STRONG BEARING CAPACITY: Weight capacity up to 452LBS, not easily deformed. It equipped with 4 rolling wheels and 4 adjustable feet. You can choose a way that suits you better.
MULTIFUNCTION CLOSET ORGANIZER: 5 Tiers clothes racks and hanging rod offers you various storage area to place your for hanging clothes, placing accessories, bedding, lining, shoes, etc. Easily maximize your storage space by providing shoes storage, hang storage, folded storage.
STURDY & DURABLE: Made of high quality 25mm diameter iron pipe, and powder-coated to protect it from water and rust, makes it stable, sturdy and durable. Ideal for bedroom, cloakroom, clothing store, laundry room, walk-in closet and more.
Easy to Assemble: A rubber mallet is recommended, but it's not included. Just be sure to read the assembly directions carefully BEFORE you start putting it together. Certain shelves must be installed in a particular order. Moreover, the height can be adjusted with a slip-sleeve locking system by increments of 1 inch each time.