The answer to 'how to care for patio' is to regularly clean, seal, and maintain your patio to keep it looking its best. Start by sweeping or power washing the patio surface to remove dirt, debris, and any moss or algae growth. Then, apply a high-quality concrete sealer every 1-2 years to protect the patio from weathering and stains. Be sure to follow the manufacturer's instructions carefully when applying the sealer.
In addition, inspect the patio regularly for any cracks or damage, and make repairs as needed. This may involve patching small cracks with a concrete repair compound or replacing damaged pavers. If you notice more extensive damage, it's best to consult a professional landscaper or patio contractor for advice.