The answer to 'how to maintain gutter installation' is to regularly clean and inspect your gutters to ensure they are functioning properly. This includes removing leaves, twigs, and other debris that can accumulate and clog the gutters. You should also check for any cracks, leaks, or loose connections and make necessary repairs.
It's recommended to clean your gutters at least twice a year, in the spring and fall. This will help prevent water damage to your home's foundation, walls, and landscaping. If you notice any significant issues, it's best to call a professional roofing or gutter specialist to assess and address the problem.