To maintain an aluminum window and prevent rusting or corrosion, follow these steps: Regularly clean the window with a mild detergent and water to remove dirt and grime. Avoid using abrasive cleaners or tools that could scratch the surface. Apply a protective coating or sealant designed for aluminum to shield it from moisture and environmental factors. Ensure proper drainage around the window to prevent water accumulation. Regularly inspect the window for signs of damage or corrosion and address any issues promptly. By following these maintenance practices, you can prolong the life of your aluminum window and keep it in good condition.