Using this Incase hardshell case for your MacBook 12 is a breeze. Just gently place your laptop into the case, making sure all ports align properly. It's designed to fit snugly, so you don't need to force it. When using your laptop, you can easily access all ports and buttons as normal. As for maintenance, a soft, dry cloth is all you need to wipe it clean from time to time. Avoid using harsh chemicals or abrasive materials, as they might damage the case's finish. Also, when you're not using the laptop, keep it in a cool, dry place to maintain the case's quality and performance.