Using this Samsung lint filter is a breeze. First, make sure your washing machine is turned off and unplugged. Locate the old lint filter in your machine and carefully remove it. Then, take your new Samsung Magic Filter and fit it into the same place where the old one was. It should slide in easily. As for maintenance, it's a good idea to clean the filter after every few washes. You can do this by simply rinsing it under running water to remove any lint or debris. When it comes to storage, keep it in a dry place away from direct sunlight. If you notice any damage to the filter, replace it right away to ensure your washing machine works at its best. And remember, this filter comes with a full guarantee, so if you have any issues, you're covered.