To use this backpack, first adjust the shoulder straps to fit your comfort. You can put your laptop in the internal laptop pocket and other essentials like books, notebooks in the additional inside pockets. Use the front pocket with the magnetic buckle for quick - access items and the side pockets for water bottles or small accessories. When carrying, you can either use the shoulder straps or the carry handle depending on your preference. As for maintenance, simply wipe it clean with a damp cloth whenever it gets dirty. Avoid exposing it to sharp objects to prevent scratches or tears. Don't overstuff the backpack to maintain its shape.